diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index c242b0146e0..652a920e528 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -124,7 +124,7 @@ jobs:
         uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 #v4.2.1
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 23
 
       # Set environment variables
       - name: Export Properties
@@ -166,7 +166,7 @@ jobs:
       # Run Verify Plugin task and IntelliJ Plugin Verifier tool
       - name: Run Plugin Verification tasks
         env:
-          JAVA_TOOL_OPTIONS: -Dlogback.configurationFile=${{ github.workspace }}/intellij-plugin/logback.xml
+          JAVA_TOOL_OPTIONS: -Xmx4g -Dlogback.configurationFile=${{ github.workspace }}/intellij-plugin/logback.xml
         run: ./gradlew :intellij-plugin:verifyPlugin -Pplugin.verifier.home.dir=${{ steps.properties.outputs.pluginVerifierHomeDir }}
 
       # Collect Plugin Verifier Result
diff --git a/gradle/libraries.toml b/gradle/libraries.toml
index f796496a0ed..67fb258f334 100644
--- a/gradle/libraries.toml
+++ b/gradle/libraries.toml
@@ -27,12 +27,12 @@ javaPoet = "1.13.0"
 jetbrains-annotations = "24.0.1"
 junit = "4.13.2"
 kotlin-plugin-min = "1.9.0"
-kotlin-plugin = "2.1.10"
-kotlin-plugin-max = "2.1.10"
+kotlin-plugin = "2.1.20"
+kotlin-plugin-max = "2.1.20"
 kotlinx-coroutines = "1.9.0"
 kotlinx-datetime = "0.5.0"
 kotlinx-serialization-runtime = "1.6.2"
-ksp = "2.1.10-1.0.29"
+ksp = "2.1.20-1.0.31"
 ktor = "3.0.0"
 moshix = "0.14.1"
 node-fetch = "2.7.0"
diff --git a/intellij-plugin/build.gradle.kts b/intellij-plugin/build.gradle.kts
index 7bed6901c6f..fdc35b6deb6 100644
--- a/intellij-plugin/build.gradle.kts
+++ b/intellij-plugin/build.gradle.kts
@@ -1,11 +1,12 @@
-
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.gradle.api.tasks.testing.logging.TestLogEvent
 import org.jetbrains.changelog.markdownToHTML
 import org.jetbrains.intellij.platform.gradle.TestFrameworkType
+import org.jetbrains.intellij.platform.gradle.tasks.VerifyPluginTask.FailureLevel.COMPATIBILITY_PROBLEMS
 import org.jetbrains.intellij.platform.gradle.tasks.VerifyPluginTask.FailureLevel.INTERNAL_API_USAGES
 import org.jetbrains.intellij.platform.gradle.tasks.VerifyPluginTask.FailureLevel.INVALID_PLUGIN
 import org.jetbrains.intellij.platform.gradle.tasks.VerifyPluginTask.FailureLevel.PLUGIN_STRUCTURE_WARNINGS
+import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
 import java.net.URI
 import java.text.SimpleDateFormat
 import java.util.Date
@@ -55,6 +56,9 @@ kotlin {
 }
 
 val apolloDependencies = configurations.create("apolloDependencies").apply {
+  attributes {
+    attribute(KotlinPlatformType.attribute, KotlinPlatformType.jvm)
+  }
   listOf(":apollo-annotations", ":apollo-api", ":apollo-runtime").forEach {
     dependencies.add(project.dependencies.project(it, "jvmApiElements"))
   }
@@ -160,7 +164,9 @@ dependencies {
     bundledPlugins(properties("platformBundledPlugins").split(',').map(String::trim).filter(String::isNotEmpty))
     plugins(properties("platformPlugins").split(',').map(String::trim).filter(String::isNotEmpty))
     instrumentationTools()
-    pluginVerifier()
+    // Use a specific version of the verifier
+    // TODO: remove when https://youtrack.jetbrains.com/issue/MP-7366 is fixed
+    pluginVerifier(version = "1.383")
     testFramework(TestFrameworkType.Plugin.Java)
     zipSigner()
   }
@@ -243,8 +249,9 @@ intellijPlatform {
     }
     failureLevel.set(
         setOf(
-            // TODO: Temporarily disabled due to https://platform.jetbrains.com/t/plugin-verifier-fails-with-plugin-com-intellij-modules-json-not-declared-as-a-plugin-dependency/580
-//            COMPATIBILITY_PROBLEMS,
+            // Temporarily disabled due to https://platform.jetbrains.com/t/plugin-verifier-fails-with-plugin-com-intellij-modules-json-not-declared-as-a-plugin-dependency/580
+            // TODO: Uncomment when https://youtrack.jetbrains.com/issue/MP-7366 is fixed
+            // COMPATIBILITY_PROBLEMS,
             INTERNAL_API_USAGES,
             INVALID_PLUGIN,
             PLUGIN_STRUCTURE_WARNINGS,
diff --git a/intellij-plugin/logback.xml b/intellij-plugin/logback.xml
index 0075d2bc1d5..ccaa085fb5a 100644
--- a/intellij-plugin/logback.xml
+++ b/intellij-plugin/logback.xml
@@ -6,7 +6,7 @@
     </encoder>
   </appender>
 
-  <root level="DEBUG">
+  <root level="INFO">
     <appender-ref ref="STDOUT" />
   </root>
 
diff --git a/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/RegisterOperations.kt b/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/RegisterOperations.kt
index 895e29e5dd0..8616c4cd104 100644
--- a/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/RegisterOperations.kt
+++ b/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/RegisterOperations.kt
@@ -51,7 +51,6 @@ private fun GQLSelection.score(): String {
     is GQLField -> "a$name"
     is GQLFragmentSpread -> "b$name"
     is GQLInlineFragment -> "c" // apollo-tooling doesn't sort inline fragments
-    else -> error("Cannot sort Selection '$this'")
   }
 }
 
diff --git a/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/serialization.kt b/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/serialization.kt
index 0e97cf66bbc..7f18038d1dc 100644
--- a/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/serialization.kt
+++ b/libraries/apollo-tooling/src/main/kotlin/com/apollographql/apollo/tooling/serialization.kt
@@ -21,7 +21,6 @@ internal fun JsonElement.toAny(): Any? = when (this) {
       else -> booleanOrNull ?: intOrNull ?: longOrNull ?: doubleOrNull ?: error("cannot decode $this")
     }
   }
-  else -> error("cannot convert $this to Any")
 }
 
 fun Any?.toJsonElement(): JsonElement = when (this) {
@@ -32,4 +31,4 @@ fun Any?.toJsonElement(): JsonElement = when (this) {
   is String -> JsonPrimitive(this)
   null -> JsonNull
   else -> error("cannot convert $this to JsonElement")
-}
\ No newline at end of file
+}