diff --git a/Dockerfile b/Dockerfile
index 12fcf3db0..e4f815d08 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM ghcr.io/astral-sh/uv:0.11.29@sha256:eb2843a1e56fd9e30c7276ce1a52cba86e64c7b385f5e3279a0e08e02dd058fc AS uv
 
-FROM ubuntu:26.04@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb AS builder
+FROM ubuntu:26.04@sha256:2260313b31c8c011cd2eebe728008efac1b3982be73eb71348ea2648d2c0e09b AS builder
 
 ENV PYTHON_VERSION=3.14.6
 ENV UV_COMPILE_BYTECODE=1
@@ -68,7 +68,7 @@ RUN cd /app/ibet-Wallet-API \
  && rm -f /app/ibet-Wallet-API/uv.lock \
  && rm -rf /app/ibet-Wallet-API/tests/
 
-FROM ubuntu:26.04@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb AS runner
+FROM ubuntu:26.04@sha256:2260313b31c8c011cd2eebe728008efac1b3982be73eb71348ea2648d2c0e09b AS runner
 
 # make application directory
 RUN mkdir -p /app
diff --git a/tests/Dockerfile_unittest b/tests/Dockerfile_unittest
index 4a477634b..5d4f545bd 100644
--- a/tests/Dockerfile_unittest
+++ b/tests/Dockerfile_unittest
@@ -1,6 +1,6 @@
 FROM ghcr.io/astral-sh/uv:0.11.29@sha256:eb2843a1e56fd9e30c7276ce1a52cba86e64c7b385f5e3279a0e08e02dd058fc AS uv
 
-FROM ubuntu:26.04@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb AS builder
+FROM ubuntu:26.04@sha256:2260313b31c8c011cd2eebe728008efac1b3982be73eb71348ea2648d2c0e09b AS builder
 
 ENV PYTHON_VERSION=3.14.6
 ENV UV_COMPILE_BYTECODE=1
@@ -65,7 +65,7 @@ RUN cd /app/ibet-Wallet-API \
  && rm -rf "$PYTHON_ROOT"/lib/python*/site-packages/pip "$PYTHON_ROOT"/lib/python*/site-packages/pip-*.dist-info \
  && rm -rf /home/apl/.cache/uv
 
-FROM ubuntu:26.04@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb AS runner
+FROM ubuntu:26.04@sha256:2260313b31c8c011cd2eebe728008efac1b3982be73eb71348ea2648d2c0e09b AS runner
 
 # make application directory
 RUN mkdir -p /app