diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a12f3f5..1370742 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -428,7 +428,7 @@ jobs:
 
       - name: Publish package
         if: ${{ github.ref == 'refs/heads/master' }}
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@2.4.2
         with:
           arguments: publish
           build-root-directory: bindings/java
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b20f6d4..4c50e2a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -321,6 +321,10 @@ else()
     endif()
 endif()
 
+#
+# POSIX conformance
+#
+
 # clock_gettime came in POSIX.1b (1993)
 # CLOCK_MONOTONIC came in POSIX.1-2001 / SUSv3 as optional
 # posix_memalign came in POSIX.1-2001 / SUSv3