diff --git a/Dockerfile b/Dockerfile
index 2a42c52..0c19e48 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,9 +8,9 @@ FROM --platform=$TARGETPLATFORM rockylinux/rockylinux:9.6
 ENV TOMCAT_MAJOR=10 \
     TOMCAT_VERSION=10.1.44 \
 ##shib-idp \
-    VERSION=5.1.5 \
+    VERSION=5.1.6 \
 ##TIER \
-    TIERVERSION=20250813_rocky9_multiarch \
+    TIERVERSION=20250826_rocky9_multiarch \
 #################### \
 #### OTHER VARS #### \
 #################### \
diff --git a/container_files/idp/idp.installer.properties b/container_files/idp/idp.installer.properties
index 9fceef1..ba7cb46 100644
--- a/container_files/idp/idp.installer.properties
+++ b/container_files/idp/idp.installer.properties
@@ -1,4 +1,4 @@
-idp.src.dir=/tmp/shibboleth/shibboleth-identity-provider-5.1.5
+idp.src.dir=/tmp/shibboleth/shibboleth-identity-provider-5.1.6
 idp.target.dir=/opt/shibboleth-idp
 idp.host.name=idp.example.org
 idp.sealer.password=changeit