diff --git a/test/Renci.SshNet.IntegrationTests/Dockerfile.TestServer b/test/Renci.SshNet.IntegrationTests/Dockerfile.TestServer
index 548f76dab..d2ef74223 100644
--- a/test/Renci.SshNet.IntegrationTests/Dockerfile.TestServer
+++ b/test/Renci.SshNet.IntegrationTests/Dockerfile.TestServer
@@ -1,4 +1,4 @@
-FROM alpine:latest
+FROM alpine:3.20
 
 COPY --chown=root:root server/ssh /etc/ssh/
 COPY --chown=root:root server/script /opt/sshnet