diff --git a/sonic-slave/Dockerfile b/sonic-slave/Dockerfile
index 46d04c3bdc..b3d7b4f030 100644
--- a/sonic-slave/Dockerfile
+++ b/sonic-slave/Dockerfile
@@ -240,7 +240,7 @@ RUN python2 -m pip install -U pip==9.0.3
 
 # For p4 build
 RUN pip install \
-        ctypesgen \
+        ctypesgen==0.r125 \
         crc16
 
 # For sonic config engine testing