diff --git a/.gitmodules b/.gitmodules
index a3e23a1529e..ca55281e643 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -298,7 +298,7 @@
 	url = https://github.com/ridiculousfish/libdivide
 [submodule "contrib/ulid-c"]
 	path = contrib/ulid-c
-	url = https://github.com/evillique/ulid-c.git
+	url = https://github.com/ClickHouse/ulid-c.git
 [submodule "contrib/aws-crt-cpp"]
 	path = contrib/aws-crt-cpp
 	url = https://github.com/ClickHouse/aws-crt-cpp
diff --git a/contrib/ulid-c b/contrib/ulid-c
index 8b8bc280bc3..c433b6783cf 160000
--- a/contrib/ulid-c
+++ b/contrib/ulid-c
@@ -1 +1 @@
-Subproject commit 8b8bc280bc305f0d3dbdca49131677f2a208c48c
+Subproject commit c433b6783cf918b8f996dacd014cb2b68c7de419
diff --git a/contrib/ulid-c-cmake/CMakeLists.txt b/contrib/ulid-c-cmake/CMakeLists.txt
index 9a68e09faa2..3afbd965bac 100644
--- a/contrib/ulid-c-cmake/CMakeLists.txt
+++ b/contrib/ulid-c-cmake/CMakeLists.txt
@@ -8,8 +8,7 @@ endif()
 set (LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/ulid-c")
 
 set (SRCS
-    "${LIBRARY_DIR}/include/ulid.h"
-    "${LIBRARY_DIR}/include/ulid.c"
+    "${LIBRARY_DIR}/src/ulid.c"
 )
 
 add_library(_ulid ${SRCS})
diff --git a/src/Functions/generateULID.cpp b/src/Functions/generateULID.cpp
index 46b8d190496..648754ddaa2 100644
--- a/src/Functions/generateULID.cpp
+++ b/src/Functions/generateULID.cpp
@@ -9,7 +9,7 @@
 #include <Functions/IFunction.h>
 #include <Interpreters/Context.h>
 
-#include <ulid.c>
+#include <ulid.h>
 
 
 namespace DB