diff --git a/frontends/slang/CMakeLists.txt b/frontends/slang/CMakeLists.txt
index 75eebd4c0..df9ea8a68 100644
--- a/frontends/slang/CMakeLists.txt
+++ b/frontends/slang/CMakeLists.txt
@@ -34,6 +34,7 @@ yosys_frontend(slang
 	DEFINITIONS
 		YOSYS_MAJOR=${YOSYS_VERSION_MAJOR}
 		YOSYS_MINOR=${YOSYS_VERSION_MINOR}
+		YOSYS_COMMIT=${YOSYS_VERSION_COMMIT}
 	ENABLE_IF
 		YOSYS_ENABLE_SLANG
 	INCLUDE_DIRS
diff --git a/frontends/slang/lib b/frontends/slang/lib
index b4fd362f4..8911a6ca2 160000
--- a/frontends/slang/lib
+++ b/frontends/slang/lib
@@ -1 +1 @@
-Subproject commit b4fd362f4c53dc8ffab6946b9f866a6ea89e366d
+Subproject commit 8911a6ca2bece247df266de59e8ba2cf9dac1031
diff --git a/libs/slang b/libs/slang
index e222e7dc0..545f88b2e 160000
--- a/libs/slang
+++ b/libs/slang
@@ -1 +1 @@
-Subproject commit e222e7dc0250231312f14c37d47404a49df00fe2
+Subproject commit 545f88b2ed3a2d20325fbd17413af177a6bca72f