diff --git a/.github/config/lychee.toml b/.github/config/lychee.toml
index e6f970ae4..13ded1752 100644
--- a/.github/config/lychee.toml
+++ b/.github/config/lychee.toml
@@ -9,6 +9,11 @@ max_concurrency = 4
 # Check link anchors
 include_fragments = true
 
+remap = [
+  # workaround for https://github.com/lycheeverse/lychee/issues/1729
+  "https://github.com/(.*?)/(.*?)/blob/(.*?)/(.*#.*)$ https://raw.githubusercontent.com/$1/$2/$3/$4"
+]
+
 exclude = [
   "^http://localhost:",
   "^http://0.0.0.0:",
diff --git a/grpc/README.md b/grpc/README.md
index 6e3a670fd..e9279a4cb 100644
--- a/grpc/README.md
+++ b/grpc/README.md
@@ -5,7 +5,7 @@
 
 This is a simple example that demonstrates how to use the OpenTelemetry SDK
 to *manually* instrument a simple GRPC based Client/Server application.
-This example utilizes the [opentelemetry-grpc-1.6](https://github.com/open-telemetry/opentelemetry-java-instrumentation/tree/main/instrumentation/grpc-1.6/library#library-instrumentation-for-grpc-160)
+This example utilizes the [opentelemetry-grpc-1.6](https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/main/instrumentation/grpc-1.6/library/README.md#library-instrumentation-for-grpc-160)
 to instrument both the GRPC client and server. 
 
 # How to run
@@ -34,4 +34,4 @@ java -cp ./build/libs/opentelemetry-examples-grpc-0.1.0-SNAPSHOT-all.jar io.open
 ## Result
 ![trace_result.png](trace_result.png)
 ![client_trace.png](client_trace.png)
-![server_trace.png](server_trace.png)
\ No newline at end of file
+![server_trace.png](server_trace.png)
diff --git a/mise.toml b/mise.toml
index b8e424c76..f09f5744d 100644
--- a/mise.toml
+++ b/mise.toml
@@ -1,5 +1,5 @@
 [tools]
-lychee = "0.18.1"
+lychee = "0.20.1"
 
 [tasks.link-check]
 run = 'lychee --verbose --config .github/config/lychee.toml .'