diff --git a/Dockerfile b/Dockerfile
index 9efe98c..462d09e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -80,10 +80,10 @@ ENV PATH /opt/maven/bin:$PATH
 
 # install aws sam
 ARG SAM_VERSION=1.97.0
-ARG SAM_SHA256SUM=807095974f7c98d9061907302c5adceac7adf7b8957aad04040fc2acf8d6f552
+ARG SAM_SHA256SUM=0810f3290373e20df480b56faf5e9e77e25870825dbab521758258a24aa470d9
 RUN set -ex && cd ~ \
     && curl -sSL "https://github.com/aws/aws-sam-cli/releases/download/${SAM_VERSION}/aws-sam-cli-linux-x86_64.zip" -o "aws-sam-cli-linux-x86_64.zip" \
-    && echo "${SAM_SHA256SUM} aws-sam-cli-linux-x86_64.zip" | sha256sum -c - \
+    && [ $(sha256sum aws-sam-cli-linux-x86_64.zip | cut -f1 -d' ') = ${SAM_SHA256SUM} ] \
     && unzip "aws-sam-cli-linux-x86_64.zip" -d "/tmp/sam-installation" \
     && "/tmp/sam-installation/install" \
     && sam --version