diff --git a/ci.jsonnet b/ci.jsonnet
index 5572924893e2..046ca836bda4 100644
--- a/ci.jsonnet
+++ b/ci.jsonnet
@@ -50,7 +50,7 @@ local libgraal(builds, include=true) = [b for b in builds if (std.findSubstr("li
   assert std.length(std.toString(import 'ci/ci_common/common.jsonnet')) > 0,
   ci_resources:: (import 'ci/ci_common/ci-resources.libsonnet'),
   overlay: graal_common.ci.overlay,
-  specVersion: "4",
+  specVersion: "7",
   tierConfig: {
     tier1: "gate",
     tier2: "gate",
diff --git a/ci/ci_common/common.jsonnet b/ci/ci_common/common.jsonnet
index 1cfc8ef29b9c..1f1684068a53 100644
--- a/ci/ci_common/common.jsonnet
+++ b/ci/ci_common/common.jsonnet
@@ -132,7 +132,7 @@ common + common.frequencies + {
   },
   local linux_deps_extras = {
     packages+: {
-      "apache/ant": ">=1.9.4",
+      "apache/ant": "==1.10.1",
     },
   },
 
diff --git a/graal-common.json b/graal-common.json
index e74a54c299cf..0f4d4f6f4978 100644
--- a/graal-common.json
+++ b/graal-common.json
@@ -1,6 +1,6 @@
 {
   "README": "This file contains definitions that are useful for the jsonnet CI files of the graal and graal-enterprise repositories.",
   "ci": {
-    "overlay": "fdd1c23beaa26526a6d9b6c5dc5ee66feb64672c"
+    "overlay": "3e032b0adc64c05bbd0aef1c116f4e69796aee9e",
   }
 }
diff --git a/truffle/ci/ci.jsonnet b/truffle/ci/ci.jsonnet
index 72437d1eb8ac..0c03983ce48c 100644
--- a/truffle/ci/ci.jsonnet
+++ b/truffle/ci/ci.jsonnet
@@ -83,7 +83,7 @@
     name: 'gate-external-mvn-simplelanguage-' + self.jdk_name,
     packages+: {
       maven: "==3.3.9",
-      ruby: ">=2.1.0",
+      ruby: "==3.0.2",
     },
     mx_cmd: ["mx"],
     run+: [
diff --git a/visualizer/ci/ci.jsonnet b/visualizer/ci/ci.jsonnet
index c7daf90634e3..fdaaa26f91ce 100644
--- a/visualizer/ci/ci.jsonnet
+++ b/visualizer/ci/ci.jsonnet
@@ -34,7 +34,7 @@
 
   linux_maven: {
     packages+: {
-      maven: '>=3.3.9',
+      maven: '==3.9.10',
     },
   },
 
diff --git a/vm/ci/ci_common/common.jsonnet b/vm/ci/ci_common/common.jsonnet
index 72af2b2520ee..4da574dd94d4 100644
--- a/vm/ci/ci_common/common.jsonnet
+++ b/vm/ci/ci_common/common.jsonnet
@@ -467,7 +467,7 @@ local devkits = graal_common.devkits;
 
   linux_deploy: self.deploy_build + {
     packages+: {
-      maven: '>=3.3.9',
+      maven: '==3.5.3',
     },
   },
 
diff --git a/vm/ci/ci_includes/vm-native.jsonnet b/vm/ci/ci_includes/vm-native.jsonnet
index a3128449eeeb..586587c24fdd 100644
--- a/vm/ci/ci_includes/vm-native.jsonnet
+++ b/vm/ci/ci_includes/vm-native.jsonnet
@@ -35,7 +35,7 @@ local graal_common = import '../../../ci/ci_common/common.jsonnet';
     components+: ["truffle"],
     timelimit: '30:00',
     packages+: {
-      maven: '>=3.3.9',
+      maven: '==3.5.3',
     },
     name: self.targets[0] + '-vm-ce-truffle-maven-downloader-labs' + self.jdk_name + '-linux-amd64',
   },
diff --git a/web-image/ci/ci_common/common.jsonnet b/web-image/ci/ci_common/common.jsonnet
index f78d81c3c439..67aa0ad9c00d 100644
--- a/web-image/ci/ci_common/common.jsonnet
+++ b/web-image/ci/ci_common/common.jsonnet
@@ -54,7 +54,7 @@ local node_map = {
 
   maven: {
     packages+: {
-      maven: '>=3.6.3',
+      maven: '==3.9.10',
     },
   },
 
diff --git a/web-image/ci/ci_common/wi-run-spec.jsonnet b/web-image/ci/ci_common/wi-run-spec.jsonnet
index e1c4713c18f2..ef2b5f9d19ca 100644
--- a/web-image/ci/ci_common/wi-run-spec.jsonnet
+++ b/web-image/ci/ci_common/wi-run-spec.jsonnet
@@ -34,7 +34,7 @@ local os_arch_jdk_mixin(mapping) = r.task_spec(r.evaluate_late({
 
   docker_ol8: {
     docker: {
-      image: 'phx.ocir.io/oraclelabs2/c_graal/buildslave:buildslave_ol8',
+      image: 'buildslave_ol8',
       mount_modules: true,
     },
   },