diff --git a/docker/images/python-development/Dockerfile b/docker/images/python-development/Dockerfile
index 5dbbe5c6..681733ab 100644
--- a/docker/images/python-development/Dockerfile
+++ b/docker/images/python-development/Dockerfile
@@ -43,7 +43,7 @@ RUN set -ex \
       libxml2-dev=2.* \
       libxml2=2.* \
       make=4.* \
-      pkg-config=1.* \
+      pkg-config=0.* \
       sqlite3=3.* \
       >/dev/null \
   ; rm -rf /var/lib/apt/lists/* \
diff --git a/docker/images/test-runner/Dockerfile b/docker/images/test-runner/Dockerfile
index 075f9757..b3b478f8 100644
--- a/docker/images/test-runner/Dockerfile
+++ b/docker/images/test-runner/Dockerfile
@@ -66,7 +66,7 @@ RUN set -ex \
       libxml2-dev=2.* \
       libxml2=2.* \
       make=4.* \
-      pkg-config=1.* \
+      pkg-config=0.* \
       sqlite3=3.* \
       >/dev/null \
   ; rm -rf /var/lib/apt/lists/* \