diff --git a/.github/workflows/jit.yml b/.github/workflows/jit.yml
index 5e3ac9e9e0fada..3dd83e33b43e86 100644
--- a/.github/workflows/jit.yml
+++ b/.github/workflows/jit.yml
@@ -61,7 +61,7 @@ jobs:
           - true
           - false
         llvm:
-          - 18
+          - 19
         include:
           - target: i686-pc-windows-msvc/msvc
             architecture: Win32
diff --git a/Tools/jit/_llvm.py b/Tools/jit/_llvm.py
index 606f280a14d974..925b56ac669aa0 100644
--- a/Tools/jit/_llvm.py
+++ b/Tools/jit/_llvm.py
@@ -8,7 +8,7 @@
 import subprocess
 import typing
 
-_LLVM_VERSION = 18
+_LLVM_VERSION = 19
 _LLVM_VERSION_PATTERN = re.compile(rf"version\s+{_LLVM_VERSION}\.\d+\.\d+\S*\s+")
 
 _P = typing.ParamSpec("_P")