diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index abc9df57a..fe02bb543 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -19,7 +19,7 @@
 #  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 #  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 #  THE SOFTWARE.
-ARG ALPINE_TAG=3.20.3
+ARG ALPINE_TAG=3.21.0
 FROM alpine:"${ALPINE_TAG}" AS jre-build
 
 SHELL ["/bin/ash", "-eo", "pipefail", "-c"]
diff --git a/docker-bake.hcl b/docker-bake.hcl
index de1f830c6..71e6a18fa 100644
--- a/docker-bake.hcl
+++ b/docker-bake.hcl
@@ -111,7 +111,7 @@ variable "ON_TAG" {
 }
 
 variable "ALPINE_FULL_TAG" {
-  default = "3.20.3"
+  default = "3.21.0"
 }
 
 variable "ALPINE_SHORT_TAG" {