diff --git a/projects/dovecot/Dockerfile b/projects/dovecot/Dockerfile
index 5dcf79225..1550affd6 100755
--- a/projects/dovecot/Dockerfile
+++ b/projects/dovecot/Dockerfile
@@ -15,7 +15,7 @@
 ################################################################################
 
 FROM gcr.io/oss-fuzz-base/base-builder
-RUN apt-get update && apt-get install -y make autoconf automake libtool wget gettext automake libxml2-dev m4 pkg-config bison flex
+RUN apt-get update && apt-get install -y make autoconf automake libtool wget gettext automake libxml2-dev m4 pkg-config bison flex python3.8-venv
 RUN git clone --depth 1 https://github.com/dovecot/core dovecot
 WORKDIR dovecot
 COPY build.sh $SRC/