diff --git a/CMakeLists.txt b/CMakeLists.txt
index da755e066..ecd38382a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,10 +42,10 @@ set(src
 	src/sm2_z256_sign.c
 	src/sm2_lib.c
 	src/sm2_ctx.c
-	src/sm9_z256_alg.c
-	src/sm9_z256_key.c
-	src/sm9_z256_lib.c
+	src/sm9_z256.c
 	src/sm9_z256_table.c
+	src/sm9_key.c
+	src/sm9_lib.c
 	src/zuc.c
 	src/zuc_modes.c
 	src/hash_drbg.c
diff --git a/src/sm9_z256_key.c b/src/sm9_key.c
similarity index 100%
rename from src/sm9_z256_key.c
rename to src/sm9_key.c
diff --git a/src/sm9_z256_lib.c b/src/sm9_lib.c
similarity index 100%
rename from src/sm9_z256_lib.c
rename to src/sm9_lib.c
diff --git a/src/sm9_z256_alg.c b/src/sm9_z256.c
similarity index 100%
rename from src/sm9_z256_alg.c
rename to src/sm9_z256.c