diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 75a0ddf8b..bd9c56513 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ on:
 
 # Keep this in sync with the other *.yml files
 env:
-  CI_REQ_DOTNET_SDK_VER: 5.0.100
+  CI_REQ_DOTNET_SDK_VER: 5.0.300
   COVERAGE_FILENAME: coverage.info
   CI_NODE_MIN_VER: 12.0.0
   RUSTFLAGS: -D warnings
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 36fd15c36..46e11218a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,7 +6,7 @@ on:
 
 # Keep this in sync with the other *.yml files
 env:
-  CI_REQ_DOTNET_SDK_VER: 5.0.100
+  CI_REQ_DOTNET_SDK_VER: 5.0.300
   COVERAGE_FILENAME: coverage.info
   CI_NODE_MIN_VER: 12.0.0
   RUSTFLAGS: -D warnings