diff --git a/muted-tests.yml b/muted-tests.yml
index 6e6ff9156cdde..bb4994087d8c3 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -26,12 +26,6 @@ tests:
 - class: org.elasticsearch.nativeaccess.VectorSystemPropertyTests
   method: testSystemPropertyDisabled
   issue: https://github.com/elastic/elasticsearch/issues/110949
-- class: org.elasticsearch.xpack.security.authc.oidc.OpenIdConnectAuthIT
-  method: testAuthenticateWithImplicitFlow
-  issue: https://github.com/elastic/elasticsearch/issues/111191
-- class: org.elasticsearch.xpack.security.authc.oidc.OpenIdConnectAuthIT
-  method: testAuthenticateWithCodeFlowAndClientPost
-  issue: https://github.com/elastic/elasticsearch/issues/111396
 - class: org.elasticsearch.xpack.restart.FullClusterRestartIT
   method: testSingleDoc {cluster=UPGRADED}
   issue: https://github.com/elastic/elasticsearch/issues/111434
@@ -349,10 +343,6 @@ tests:
 - class: org.elasticsearch.packaging.test.DockerTests
   method: test151MachineDependentHeapWithSizeOverride
   issue: https://github.com/elastic/elasticsearch/issues/123437
-- class: org.elasticsearch.xpack.security.authc.oidc.OpenIdConnectAuthIT
-  issue: https://github.com/elastic/elasticsearch/issues/124845
-- class: org.elasticsearch.xpack.security.authc.jwt.JwtWithOidcAuthIT
-  issue: https://github.com/elastic/elasticsearch/issues/131794
 - class: org.elasticsearch.packaging.test.DockerTests 
   issue: https://github.com/elastic/elasticsearch/issues/131586
 
diff --git a/x-pack/test/idp-fixture/src/main/resources/oidc/Dockerfile b/x-pack/test/idp-fixture/src/main/resources/oidc/Dockerfile
index cd18c4c7e30c5..f4b4f9ff52456 100644
--- a/x-pack/test/idp-fixture/src/main/resources/oidc/Dockerfile
+++ b/x-pack/test/idp-fixture/src/main/resources/oidc/Dockerfile
@@ -1,5 +1,5 @@
-FROM c2id/c2id-server-demo:12.18 AS c2id
-FROM openjdk:11.0.16-jre
+FROM c2id/c2id-server-demo:16.1.1 AS c2id
+FROM eclipse-temurin:17-noble
 
 # Using this to launch a fake server on container start; see `setup.sh`
 RUN apt-get update -qqy && apt-get install -qqy python3