diff --git a/Dockerfile b/Dockerfile
index 7f88deb3e607dfa6571fc454024c784817515bb8..3d30b7c4ee9eb3ed69f20ba3ffaa8778e5764427 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ USER 0
 COPY ruby-27.tar.gz gdbm.tar.gz scripts/*.sh /
 
 ARG PACKAGES="gcc-c++ patch readline zlib zlib-devel libffi-devel libedit \
-    openssl-devel make bzip2 autoconf automake libtool sqlite-devel"
+    openssl-devel make bzip2 autoconf automake libtool sqlite-devel libpq-devel"
 
 RUN dnf install -y --setopt=tsflags=nodocs $PACKAGES \
     && chmod +x /install-ruby.sh /install-gdbm.sh \