diff --git a/build.gradle b/build.gradle
index 9c9bb68939b..9e687f6b44f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -168,7 +168,7 @@ configure(allprojects - project(':platform')) {
     def ethExecSpecTestsRepo = ivy {
       url 'https://github.com'
       patternLayout {
-        artifact '/[organisation]/[module]/releases/download/v[revision]/[classifier].[ext]'
+        artifact '/[organisation]/[module]/releases/download/[revision]/[classifier].[ext]'
       }
       metadataSources {
         artifact()
diff --git a/ethereum/referencetests/build.gradle b/ethereum/referencetests/build.gradle
index 5fbab994cf0..2f9a2530431 100644
--- a/ethereum/referencetests/build.gradle
+++ b/ethereum/referencetests/build.gradle
@@ -207,7 +207,7 @@ dependencies {
   referenceTestImplementation project(path: ':testutil')
   referenceTestImplementation project(path: ':util')
   // the following will be resolved via custom ivy repository declared in root build.gradle
-  referenceTestImplementation 'ethereum:execution-spec-tests:3.0.0:fixtures_stable@tar.gz'
+  referenceTestImplementation 'ethereum:execution-spec-tests:pectra-devnet-5@v1.1.0:fixtures_pectra-devnet-5@tar.gz'
   referenceTestImplementation 'com.fasterxml.jackson.core:jackson-databind'
   referenceTestImplementation 'com.google.guava:guava'
   referenceTestImplementation 'io.tmio:tuweni-bytes'
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 8d985bef98e..25037de2777 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -1589,6 +1589,11 @@
             <sha256 value="110c3f7808bebf33541efedb5e57fc22dd1f33f83220343b1d720032739e785b" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="ethereum" name="execution-spec-tests" version="pectra-devnet-5@v1.1.0">
+         <artifact name="execution-spec-tests-pectra-devnet-5@v1.1.0-fixtures_pectra-devnet-5.tar.gz">
+            <sha256 value="e39f265673b217b7438b4f6f8cf5c56e7e2dca5e5d51e5d3c69a5e4a6c79a1c0" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="info.picocli" name="picocli" version="3.0.0">
          <artifact name="picocli-3.0.0.jar">
             <sha256 value="22dbbe287dd0ab9d4d519ac9f2dd909537b6daf279ac5962a3bad8c9dae61032" origin="Generated by Gradle"/>