diff --git a/breaking/Dockerfile b/breaking/Dockerfile
index ef5c36e..6ad0eea 100644
--- a/breaking/Dockerfile
+++ b/breaking/Dockerfile
@@ -1,4 +1,4 @@
-FROM tufin/oasdiff:v1.20.1
+FROM tufin/oasdiff:v1.21.0
 RUN apk add --no-cache curl jq
 ENV PLATFORM github-action
 COPY entrypoint.sh /entrypoint.sh
diff --git a/changelog/Dockerfile b/changelog/Dockerfile
index ef5c36e..6ad0eea 100644
--- a/changelog/Dockerfile
+++ b/changelog/Dockerfile
@@ -1,4 +1,4 @@
-FROM tufin/oasdiff:v1.20.1
+FROM tufin/oasdiff:v1.21.0
 RUN apk add --no-cache curl jq
 ENV PLATFORM github-action
 COPY entrypoint.sh /entrypoint.sh
diff --git a/diff/Dockerfile b/diff/Dockerfile
index d677a00..b66388f 100644
--- a/diff/Dockerfile
+++ b/diff/Dockerfile
@@ -1,4 +1,4 @@
-FROM tufin/oasdiff:v1.20.1
+FROM tufin/oasdiff:v1.21.0
 ENV PLATFORM github-action
 COPY entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]
diff --git a/pr-comment/Dockerfile b/pr-comment/Dockerfile
index ef5c36e..6ad0eea 100644
--- a/pr-comment/Dockerfile
+++ b/pr-comment/Dockerfile
@@ -1,4 +1,4 @@
-FROM tufin/oasdiff:v1.20.1
+FROM tufin/oasdiff:v1.21.0
 RUN apk add --no-cache curl jq
 ENV PLATFORM github-action
 COPY entrypoint.sh /entrypoint.sh
diff --git a/validate/Dockerfile b/validate/Dockerfile
index d677a00..b66388f 100644
--- a/validate/Dockerfile
+++ b/validate/Dockerfile
@@ -1,4 +1,4 @@
-FROM tufin/oasdiff:v1.20.1
+FROM tufin/oasdiff:v1.21.0
 ENV PLATFORM github-action
 COPY entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]
diff --git a/verify/Dockerfile b/verify/Dockerfile
index ef5c36e..6ad0eea 100644
--- a/verify/Dockerfile
+++ b/verify/Dockerfile
@@ -1,4 +1,4 @@
-FROM tufin/oasdiff:v1.20.1
+FROM tufin/oasdiff:v1.21.0
 RUN apk add --no-cache curl jq
 ENV PLATFORM github-action
 COPY entrypoint.sh /entrypoint.sh