diff --git a/internal/hammer/Dockerfile b/internal/hammer/Dockerfile
index 5c8e0c0d..df739719 100644
--- a/internal/hammer/Dockerfile
+++ b/internal/hammer/Dockerfile
@@ -1,5 +1,5 @@
 
-FROM golang:1.27.2-alpine3.23@sha256:9e45f0eb4a63ed37ad6e604950407558b7c738e34e015ae77a5d4ad369cde079 AS builder
+FROM golang:1.27.3-alpine3.23@sha256:8a5046497cda39860b832ffdbe8dd66018a0f05bb01352f533a36e7e2ced66a0 AS builder
 
 ARG GOFLAGS="-trimpath -buildvcs=false -buildmode=exe"
 ENV GOFLAGS=$GOFLAGS
@@ -19,7 +19,7 @@ COPY . .
 RUN go build -o bin/hammer ./internal/hammer
 
 # Build release image
-FROM alpine:3.24.2@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6
+FROM alpine:3.24.3@sha256:be2656061b536c1883c4034790e21d0a09c5aaaf51968b89368a3c0371ea2c9a
 
 COPY --from=builder /build/bin/hammer /bin/hammer
 ENTRYPOINT ["/bin/hammer"]
diff --git a/internal/hammer/ci/Dockerfile b/internal/hammer/ci/Dockerfile
index 389d3033..d5bf2437 100644
--- a/internal/hammer/ci/Dockerfile
+++ b/internal/hammer/ci/Dockerfile
@@ -1,7 +1,7 @@
 FROM tesseract-hammer:latest AS base
 
 # Build release image
-FROM alpine:3.24.2@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6
+FROM alpine:3.24.3@sha256:be2656061b536c1883c4034790e21d0a09c5aaaf51968b89368a3c0371ea2c9a
 
 # Copy the hammer test intermediate CA certificate, intermediate CA key and certificate signing private key into the container
 COPY ./internal/hammer/testdata/test_intermediate_ca_cert.pem ./internal/hammer/testdata/test_intermediate_ca_private_key.pem ./internal/hammer/testdata/test_leaf_cert_signing_private_key.pem /bin/