diff --git a/.azure-pipelines/azure-pipelines-osx.yml b/.azure-pipelines/azure-pipelines-osx.yml
index cde7700..d08eed2 100755
--- a/.azure-pipelines/azure-pipelines-osx.yml
+++ b/.azure-pipelines/azure-pipelines-osx.yml
@@ -5,7 +5,7 @@
 jobs:
 - job: osx
   pool:
-    vmImage: macOS-13
+    vmImage: macOS-15
   strategy:
     matrix:
       osx_64_:
diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index e3f1522..1917065 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -6,8 +6,6 @@ c_stdlib:
 - sysroot
 c_stdlib_version:
 - '2.17'
-cdt_name:
-- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -29,7 +27,7 @@ libgrpc:
 libprotobuf:
 - 6.31.1
 openssl:
-- '3'
+- '3.5'
 target_platform:
 - linux-64
 zip_keys:
diff --git a/.ci_support/linux_aarch64_.yaml b/.ci_support/linux_aarch64_.yaml
index 00bff00..d1c78ee 100644
--- a/.ci_support/linux_aarch64_.yaml
+++ b/.ci_support/linux_aarch64_.yaml
@@ -6,8 +6,6 @@ c_stdlib:
 - sysroot
 c_stdlib_version:
 - '2.17'
-cdt_name:
-- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -29,7 +27,7 @@ libgrpc:
 libprotobuf:
 - 6.31.1
 openssl:
-- '3'
+- '3.5'
 target_platform:
 - linux-aarch64
 zip_keys:
diff --git a/.ci_support/linux_ppc64le_.yaml b/.ci_support/linux_ppc64le_.yaml
index fad3282..6f723c4 100644
--- a/.ci_support/linux_ppc64le_.yaml
+++ b/.ci_support/linux_ppc64le_.yaml
@@ -6,8 +6,6 @@ c_stdlib:
 - sysroot
 c_stdlib_version:
 - '2.17'
-cdt_name:
-- conda
 channel_sources:
 - conda-forge
 channel_targets:
@@ -29,7 +27,7 @@ libgrpc:
 libprotobuf:
 - 6.31.1
 openssl:
-- '3'
+- '3.5'
 target_platform:
 - linux-ppc64le
 zip_keys:
diff --git a/.ci_support/osx_64_.yaml b/.ci_support/osx_64_.yaml
index 726e062..3fa0c4c 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -31,7 +31,7 @@ libprotobuf:
 macos_machine:
 - x86_64-apple-darwin13.4.0
 openssl:
-- '3'
+- '3.5'
 target_platform:
 - osx-64
 zip_keys:
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index d636d5c..4be72d3 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -31,7 +31,7 @@ libprotobuf:
 macos_machine:
 - arm64-apple-darwin20.0.0
 openssl:
-- '3'
+- '3.5'
 target_platform:
 - osx-arm64
 zip_keys:
diff --git a/.gitattributes b/.gitattributes
index 18f114a..85ccb8f 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -24,4 +24,5 @@ bld.bat text eol=crlf
 /README.md linguist-generated=true
 azure-pipelines.yml linguist-generated=true
 build-locally.py linguist-generated=true
+pixi.toml linguist-generated=true
 shippable.yml linguist-generated=true
diff --git a/README.md b/README.md
index 70fb8a3..10de7f3 100644
--- a/README.md
+++ b/README.md
@@ -173,12 +173,12 @@ it is possible to build and upload installable packages to the
 [conda-forge](https://anaconda.org/conda-forge) [anaconda.org](https://anaconda.org/)
 channel for Linux, Windows and OSX respectively.
 
-To manage the continuous integration and simplify feedstock maintenance
+To manage the continuous integration and simplify feedstock maintenance,
 [conda-smithy](https://github.com/conda-forge/conda-smithy) has been developed.
 Using the ``conda-forge.yml`` within this repository, it is possible to re-render all of
 this feedstock's supporting files (e.g. the CI configuration files) with ``conda smithy rerender``.
 
-For more information please check the [conda-forge documentation](https://conda-forge.org/docs/).
+For more information, please check the [conda-forge documentation](https://conda-forge.org/docs/).
 
 Terminology
 ===========
@@ -205,7 +205,7 @@ merged, the recipe will be re-built and uploaded automatically to the
 everybody to install and use from the `conda-forge` channel.
 Note that all branches in the conda-forge/google-cloud-cpp-core-feedstock are
 immediately built and any created packages are uploaded, so PRs should be based
-on branches in forks and branches in the main repository should only be used to
+on branches in forks, and branches in the main repository should only be used to
 build distinct package versions.
 
 In order to produce a uniquely identifiable distribution:
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 249ea18..b6e1688 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,4 +1,4 @@
-{% set version = "2.39.0" %}
+{% set version = "2.43.0" %}
 
 package:
   name: google-cloud-cpp-core
@@ -6,7 +6,7 @@ package:
 
 source:
   url: https://github.com/googleapis/google-cloud-cpp/archive/v{{ version }}.tar.gz
-  sha256: 629cbfcc5bd581d38277ba8fa94a5b6591af1e0f6af0dab6d1d9ed796bf48b61
+  sha256: 2aea914128db8a550bd926e1e08c155fae1caff8a451e1b644602952dd6d8b5c
 
 build:
   number: 0