diff --git a/.github/workflows/build_cmake.yml b/.github/workflows/build_cmake.yml
index e65a45b87a6..0784db70a70 100644
--- a/.github/workflows/build_cmake.yml
+++ b/.github/workflows/build_cmake.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   QT_VERSION: 6.3.1
-  CLANG_VERSION: 14.0.3
+  CLANG_VERSION: 15.0.0
   ELFUTILS_VERSION: 0.175
   CMAKE_VERSION: 3.21.1
   NINJA_VERSION: 1.10.2
diff --git a/coin/instructions/common_environment.yaml b/coin/instructions/common_environment.yaml
index 51b8654adeb..5ae9e8d63e4 100644
--- a/coin/instructions/common_environment.yaml
+++ b/coin/instructions/common_environment.yaml
@@ -7,7 +7,7 @@ instructions:
         variableValue: "RelWithDebInfo"
       - type: EnvironmentVariable
         variableName: LLVM_BASE_URL
-        variableValue: http://master.qt.io/development_releases/prebuilt/libclang/libclang-release_14.0.3-based
+        variableValue: http://master.qt.io/development_releases/prebuilt/libclang/libclang-release_15.0.0-based
 
   - type: Group
     instructions: