diff --git a/build.gradle.kts b/build.gradle.kts
index 8f25a56e..c18010d4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -22,7 +22,9 @@ buildscript {
         exclusiveContent {
             forRepository { mavenCentral() }
             filter {
-
+                includeGroup("com.google.guava")
+                includeGroup("com.google.j2objc")
+                includeGroup("org.jetbrains.dokka")
             }
         }
     }
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 774d53eb..4e9c57bb 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -21,10 +21,13 @@ plugins {
 }
 
 repositories {
+    gradlePluginPortal()
     exclusiveContent {
         forRepository { mavenCentral() }
         filter {
-
+            includeGroup("com.google.guava")
+            includeGroup("com.google.j2objc")
+            includeGroup("org.jetbrains.dokka")
         }
     }
 }
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 9d862f58..ae5ab668 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -139,7 +139,9 @@
       <component group="org.jetbrains.kotlin.multiplatform" name="org.jetbrains.kotlin.multiplatform.gradle.plugin" version="2.0.0">
          <artifact name="org.jetbrains.kotlin.multiplatform.gradle.plugin-2.0.0.pom">
             <pgp value="6f538074ccebf35f28af9b066a0975f8b1127b83"/>
-            <sha256 value="bc388ac28dee617ca47c4b1c461097489f4ceea8210bb66b255507e6198004c4" origin="Generated by Gradle because artifact wasn't signed"/>
+            <sha256 value="bc388ac28dee617ca47c4b1c461097489f4ceea8210bb66b255507e6198004c4" origin="Generated by Gradle because artifact wasn't signed">
+               <also-trust value="a1b43f4b9a19a78e9056914748864d0ced4c23f6c3306c24e2356aa4fc826ada" />
+            </sha256>
          </artifact>
       </component>
       <component group="org.jetbrains.kotlin.plugin.serialization" name="org.jetbrains.kotlin.plugin.serialization.gradle.plugin" version="2.0.0">