diff --git a/superset/Dockerfile b/superset/Dockerfile
index e1bf53f..8f3788b 100644
--- a/superset/Dockerfile
+++ b/superset/Dockerfile
@@ -1,6 +1,6 @@
 FROM apache/superset:3.1.0-py310
 
 USER root
-RUN pip install holidays=0.23 clickhouse-connect shillelagh 'shillelagh[all]'
+RUN pip install holidays==0.23 clickhouse-connect shillelagh 'shillelagh[all]'
 USER superset