diff --git a/cmake/alpaqa-version.h.in b/cmake/alpaqa-version.h.in
index c581fde6c0..5618c38161 100644
--- a/cmake/alpaqa-version.h.in
+++ b/cmake/alpaqa-version.h.in
@@ -7,11 +7,14 @@
 #define ALPAQA_VERSION "@PROJECT_VERSION@"
 #define ALPAQA_VERSION_FULL "@PROJECT_VERSION@@PY_VERSION_SUFFIX@"
 #define ALPAQA_BUILD_TIME alpaqa_build_time
+#define ALPAQA_COMMIT_HASH alpaqa_commit_hash
 
 #include <alpaqa/export.h>
 #ifdef __cplusplus
-extern "C"
-#else
-extern
+extern "C" {
+#endif
+extern ALPAQA_EXPORT const char *const alpaqa_build_time;
+extern ALPAQA_EXPORT const char *const alpaqa_commit_hash;
+#ifdef __cplusplus
+}
 #endif
-    ALPAQA_EXPORT const char *const alpaqa_build_time;
diff --git a/src/cmake/BuildTime.cmake b/src/cmake/BuildTime.cmake
index d9dd9003db..61fb99f66f 100644
--- a/src/cmake/BuildTime.cmake
+++ b/src/cmake/BuildTime.cmake
@@ -1,3 +1,9 @@
 string(TIMESTAMP ALPAQA_BUILD_TIME UTC)
+execute_process(
+    COMMAND git log -1 --format=%H
+    WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+    OUTPUT_VARIABLE ALPAQA_COMMIT_HASH
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET)
 configure_file(${CMAKE_CURRENT_LIST_DIR}/alpaqa-build-time.cpp.in
     alpaqa-build-time.cpp @ONLY)
diff --git a/src/cmake/alpaqa-build-time.cpp.in b/src/cmake/alpaqa-build-time.cpp.in
index fbed2fb42d..c20c49e023 100644
--- a/src/cmake/alpaqa-build-time.cpp.in
+++ b/src/cmake/alpaqa-build-time.cpp.in
@@ -1,2 +1,3 @@
 #include <alpaqa-version.h>
-const char *const alpaqa_build_time = "@ALPAQA_BUILD_TIME@";
\ No newline at end of file
+const char *const alpaqa_build_time = "@ALPAQA_BUILD_TIME@";
+const char *const alpaqa_commit_hash = "@ALPAQA_COMMIT_HASH@";
\ No newline at end of file