diff --git a/docops/Dockerfile b/docops/Dockerfile
index 1d4541a..1d2ca1f 100644
--- a/docops/Dockerfile
+++ b/docops/Dockerfile
@@ -26,9 +26,10 @@ USER docops
 RUN \
     # Install doctoolchain
     cd /home/docops && \
-    export DTC_VERSION="3.4.1" && \
     curl -Lo dtcw https://doctoolchain.org/dtcw && \
     chmod +x ./dtcw && \
+    # trying to force V to 3.4.1 cause of hardcoded version in dtcw install script
+    sed -i '15s/DTC_VERSION:=3.4.0/DTC_VERSION:=3.4.1/' dtcw && \
     ./dtcw install doctoolchain; \
     ./dtcw install java; \
     # Install community.general collection, it contains the 'archive' module used in the doctoolchain playbook