diff --git a/bazel/workspace0.bzl b/bazel/workspace0.bzl
index 4e43ff7d76116..23662cc97444b 100644
--- a/bazel/workspace0.bzl
+++ b/bazel/workspace0.bzl
@@ -233,10 +233,10 @@ def gl_cpp_workspace0(name = None):
         http_archive,
         name = "io_opentelemetry_cpp",
         urls = [
-            "https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz",
+            "https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz",
         ],
-        sha256 = "e0330194b72f2fe4c0ce3ece06b02dc4aa0ab491eb75bf42c6f5e283912e468c",
-        strip_prefix = "opentelemetry-cpp-1.19.0",
+        sha256 = "4b6eeb852f075133c21b95948017f13a3e21740e55b921d27e42970a47314297",
+        strip_prefix = "opentelemetry-cpp-1.20.0",
         repo_mapping = {
             "@curl": "@com_github_curl_curl",
             "@com_github_google_benchmark": "@com_github_benchmark",
diff --git a/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile b/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile
index 78f4338c3aaed..36fd7e43ff3d0 100644
--- a/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-alpine-stable.Dockerfile
@@ -71,7 +71,7 @@ RUN apk update && \
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile b/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile
index 0160626826316..bf88e1359c3bf 100644
--- a/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-debian-bookworm.Dockerfile
@@ -88,7 +88,7 @@ RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile b/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile
index 2678c091f49bf..0f4e481dca091 100644
--- a/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-debian-bullseye.Dockerfile
@@ -152,7 +152,7 @@ RUN curl -fsSL https://github.com/grpc/grpc/archive/v1.69.0.tar.gz | \
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile b/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile
index 828fd60082cc3..2e51047b997f5 100644
--- a/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-fedora.Dockerfile
@@ -79,7 +79,7 @@ ENV PKG_CONFIG_PATH=/usr/local/share/pkgconfig:/usr/lib64/pkgconfig:/usr/local/l
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile b/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile
index 4b97bd8c60860..ff4434fdc2fc4 100644
--- a/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-opensuse-leap.Dockerfile
@@ -59,7 +59,7 @@ ENV PATH=/usr/local/bin:${PATH}
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile b/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile
index cf62b09057b6d..983896ffb4bd5 100644
--- a/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-rockylinux-9.Dockerfile
@@ -199,7 +199,7 @@ RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile b/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile
index 005c04a5c4a81..6d41edc6ee5b6 100644
--- a/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-ubuntu-24.04.Dockerfile
@@ -93,7 +93,7 @@ RUN curl -fsSL https://github.com/google/crc32c/archive/1.1.2.tar.gz | \
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile b/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile
index bef53101a2463..c224cd125d5ee 100644
--- a/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-ubuntu-focal.Dockerfile
@@ -165,7 +165,7 @@ RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile b/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile
index 50cc7ce06b504..71224f375629d 100644
--- a/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/demo-ubuntu-jammy.Dockerfile
@@ -146,7 +146,7 @@ RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
 
 # ```bash
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile
index 90775ac6a0e01..7d1aeb8a110a1 100644
--- a/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-latest-cmake.Dockerfile
@@ -141,7 +141,7 @@ RUN curl -fsSL https://github.com/protocolbuffers/protobuf/archive/v29.4.tar.gz
     ldconfig && cd /var/tmp && rm -fr build
 
 WORKDIR /var/tmp/build/
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_CXX_STANDARD=14 \
diff --git a/ci/cloudbuild/dockerfiles/fedora-latest-cxx14.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-latest-cxx14.Dockerfile
index e8a66fb3bbe1a..5f1197d3bcf0a 100644
--- a/ci/cloudbuild/dockerfiles/fedora-latest-cxx14.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-latest-cxx14.Dockerfile
@@ -149,7 +149,7 @@ RUN curl -fsSL https://github.com/protocolbuffers/protobuf/archive/v29.4.tar.gz
     cd /var/tmp && rm -fr build
 
 WORKDIR /var/tmp/build/
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_CXX_STANDARD=14 \
diff --git a/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile
index 5df7ae6519f85..baef55440069a 100644
--- a/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-latest-cxx20.Dockerfile
@@ -151,7 +151,7 @@ RUN curl -fsSL https://github.com/protocolbuffers/protobuf/archive/v29.4.tar.gz
     cd /var/tmp && rm -fr build
 
 WORKDIR /var/tmp/build/
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_CXX_STANDARD=20 \
diff --git a/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile
index 72639f88d14bb..f58cb9960aafa 100644
--- a/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-latest-publish-docs.Dockerfile
@@ -63,7 +63,7 @@ RUN curl -fsSL https://github.com/doxygen/doxygen/archive/refs/tags/Release_1_11
     cmake --build cmake-out --target install
 
 WORKDIR /var/tmp/build/
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
diff --git a/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile b/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile
index f856728632258..9582315c43d29 100644
--- a/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/fedora-m32.Dockerfile
@@ -100,7 +100,7 @@ RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
 # compiled with. And we use the compiler flags from ci/etc/m32-toolchain.cmake
 # to force a 32-bit install.
 WORKDIR /var/tmp/build/opentelemetry
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_CXX_STANDARD=17 \
diff --git a/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile b/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile
index 8cef8ebfdda30..cb34eac730ec0 100644
--- a/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/gcc-oldest.Dockerfile
@@ -70,7 +70,7 @@ RUN curl -fsSL https://github.com/protocolbuffers/protobuf/archive/v29.4.tar.gz
 # GCC 7.x. See https://github.com/open-telemetry/opentelemetry-cpp/issues/1014
 # for more details.
 WORKDIR /var/tmp/build/opentelemetry-cpp
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     sed -i 's/Stack &GetStack()/Stack \&GetStack() __attribute__((noinline, noclone))/' "api/include/opentelemetry/context/runtime_context.h" && \
     cmake \
diff --git a/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile b/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile
index 6c2f308b09cb1..a3c580073e867 100644
--- a/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile
+++ b/ci/cloudbuild/dockerfiles/ubuntu-20.04-install.Dockerfile
@@ -156,7 +156,7 @@ RUN curl -fsSL https://github.com/google/re2/archive/2024-07-02.tar.gz | \
     cd /var/tmp && rm -fr build
 
 WORKDIR /var/tmp/build/
-RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_CXX_STANDARD=14 \
diff --git a/doc/packaging.md b/doc/packaging.md
index 6b03525de25de..dc789adcafc98 100644
--- a/doc/packaging.md
+++ b/doc/packaging.md
@@ -202,7 +202,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -304,7 +304,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -386,7 +386,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -506,7 +506,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -673,7 +673,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -859,7 +859,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -969,7 +969,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -1143,7 +1143,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \
@@ -1364,7 +1364,7 @@ recommend installing this library because:
 
 ```bash
 mkdir -p $HOME/Downloads/opentelemetry-cpp && cd $HOME/Downloads/opentelemetry-cpp
-curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.19.0.tar.gz | \
+curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.20.0.tar.gz | \
     tar -xzf - --strip-components=1 && \
     cmake \
         -DCMAKE_BUILD_TYPE=Release \