diff --git a/.github/workflows/Benchmark.yml b/.github/workflows/Benchmark.yml
index b10a6be4..501e8c8c 100644
--- a/.github/workflows/Benchmark.yml
+++ b/.github/workflows/Benchmark.yml
@@ -38,7 +38,7 @@ jobs:
 
       matrix:
         compiler:
-          - "clang-18"
+          - "clang-19"
           - "gcc-14"
 
     steps:
diff --git a/.github/workflows/Linux.yml b/.github/workflows/Linux.yml
index 87f0670e..8d9dc3e3 100644
--- a/.github/workflows/Linux.yml
+++ b/.github/workflows/Linux.yml
@@ -41,7 +41,7 @@ jobs:
       matrix:
         compiler:
           - "gcc-14"
-          - "clang-18"
+          - "clang-19"
 
         build_type:
           - "Debug"
diff --git a/.github/workflows/StaticAnalysis.yml b/.github/workflows/StaticAnalysis.yml
index 5a065dca..cce8fb7e 100644
--- a/.github/workflows/StaticAnalysis.yml
+++ b/.github/workflows/StaticAnalysis.yml
@@ -40,7 +40,7 @@ jobs:
   cppcheck:
     runs-on: ubuntu-24.04
     env:
-      LLVM_VERSION: 18
+      LLVM_VERSION: 19
 
     steps:
       - name: Checkout
@@ -103,7 +103,7 @@ jobs:
   clang-tidy:
     runs-on: ubuntu-24.04
     env:
-      LLVM_VERSION: 18
+      LLVM_VERSION: 19
 
     steps:
       - name: Checkout
diff --git a/.github/workflows/StyleCheck.yml b/.github/workflows/StyleCheck.yml
index 073c9291..365eedaf 100644
--- a/.github/workflows/StyleCheck.yml
+++ b/.github/workflows/StyleCheck.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     env:
-      LLVM_VERSION: 18
+      LLVM_VERSION: 19
 
     steps:
       - name: Checkout
diff --git a/flake.nix b/flake.nix
index 26adb9ee..50ef8305 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,8 +28,8 @@
 
           buildInputs = with pkgs; [
             # Tooling
-            clang_18
-            clang-tools_18
+            clang_19
+            clang-tools_19
             cmake
             ninja
             python3