diff --git a/Dockerfile b/Dockerfile
index 092ca5b..cfd9909 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -48,7 +48,7 @@ RUN wget https://github.com/lukfor/pgs-calc/releases/download/v${PGS_CALC_VERSIO
 ENV PATH="/opt/pgs-calc:${PATH}"
 
 # Install imputationserver-utils
-ENV IMPUTATIONSERVER_UTILS_VERSION=v1.5.1
+ENV IMPUTATIONSERVER_UTILS_VERSION=v1.5.2
 RUN mkdir /opt/imputationserver-utils
 WORKDIR "/opt/imputationserver-utils"
 #COPY files/imputationserver-utils.tar.gz .