diff --git a/requirements/mminstall.txt b/requirements/mminstall.txt
index b53dbf4108e..4391b155b1f 100644
--- a/requirements/mminstall.txt
+++ b/requirements/mminstall.txt
@@ -1 +1 @@
-mmcv-full>=1.3.17
+mmcv-full==1.3.15