diff --git a/changelog/fragments/pin-docker-base-images.yaml b/changelog/fragments/pin-docker-base-images.yaml
new file mode 100644
index 0000000000..3ed740c752
--- /dev/null
+++ b/changelog/fragments/pin-docker-base-images.yaml
@@ -0,0 +1,12 @@
+# entries is a list of entries to include in
+# release notes and/or the migration guide
+entries:
+  - description: >
+      For Ansible-based and Helm-based operators, as well as for the
+      Operator SDK and the (custom) scorecard tests, the Docker base images
+      are pinned to improve the reproducibility of builds using Docker.
+
+    kind: addition
+
+    # Is this a breaking change?
+    breaking: false
diff --git a/images/ansible-operator/Dockerfile b/images/ansible-operator/Dockerfile
index 0b813e706f..8b0768dcb6 100644
--- a/images/ansible-operator/Dockerfile
+++ b/images/ansible-operator/Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi8/ubi:latest
+FROM registry.access.redhat.com/ubi8/ubi:8.3-227
 
 RUN mkdir -p /etc/ansible \
   && echo "localhost ansible_connection=local" > /etc/ansible/hosts \
diff --git a/images/custom-scorecard-tests/Dockerfile b/images/custom-scorecard-tests/Dockerfile
index 80c14912af..e5dcabaf95 100644
--- a/images/custom-scorecard-tests/Dockerfile
+++ b/images/custom-scorecard-tests/Dockerfile
@@ -1,5 +1,4 @@
-# Base image
-FROM registry.access.redhat.com/ubi8/ubi-minimal:latest
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3-230
 
 ENV HOME=/opt/custom-scorecard-tests \
     USER_NAME=custom-scorecard-tests \
diff --git a/images/helm-operator/Dockerfile b/images/helm-operator/Dockerfile
index af530209f7..8ad5e30380 100644
--- a/images/helm-operator/Dockerfile
+++ b/images/helm-operator/Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi8/ubi-minimal:latest
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3-230
 
 ENV HOME=/opt/helm \
     USER_NAME=helm \
diff --git a/images/operator-sdk/Dockerfile b/images/operator-sdk/Dockerfile
index 5faf37c7fb..c98e82457d 100644
--- a/images/operator-sdk/Dockerfile
+++ b/images/operator-sdk/Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi8/ubi-minimal:latest
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3-230
 
 RUN microdnf install -y golang make which
 
diff --git a/images/scorecard-test/Dockerfile b/images/scorecard-test/Dockerfile
index 402c1f7a8c..cdac469629 100644
--- a/images/scorecard-test/Dockerfile
+++ b/images/scorecard-test/Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi8/ubi-minimal:latest
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3-230
 
 ENV HOME=/opt/scorecard-test \
     USER_NAME=scorecard-test \