diff --git a/python/requirements_compiled.txt b/python/requirements_compiled.txt
index f07d31445580..d580c1b71dcb 100644
--- a/python/requirements_compiled.txt
+++ b/python/requirements_compiled.txt
@@ -1028,7 +1028,7 @@ libclang==18.1.1
     # via tensorflow
 lightgbm==4.6.0
     # via -r python/requirements/ml/core-requirements.txt
-lightning==2.6.1
+lightning==2.6.6
     # via -r python/requirements/ml/tune-test-requirements.txt
 lightning-utilities==0.15.3
     # via
diff --git a/python/requirements_compiled_py3.14.txt b/python/requirements_compiled_py3.14.txt
index 80b3e0e17e3d..01d0c34cfe11 100644
--- a/python/requirements_compiled_py3.14.txt
+++ b/python/requirements_compiled_py3.14.txt
@@ -1037,7 +1037,7 @@ libclang==18.1.1
     # via tensorflow
 lightgbm==4.6.0
     # via -r python/requirements/ml/py313/core-requirements.txt
-lightning==2.6.1
+lightning==2.6.6
     # via -r python/requirements/ml/py313/tune-test-requirements.txt
 lightning-utilities==0.15.3
     # via