diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 585e84929..766c05f63 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
     - name: Set up Java
       uses: actions/setup-java@v3
       with:
-        java-version: 8
+        java-version: 21
         distribution: 'temurin'
         cache: 'maven'
         server-id: sonatype-nexus-staging
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 22070f16a..e6a4590d0 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - uses: DeLaGuardo/setup-clojure@3.1
         with:
@@ -69,7 +69,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - uses: DeLaGuardo/setup-clojure@3.5
         with:
@@ -95,7 +95,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - uses: DeLaGuardo/setup-clojure@3.1
         with:
@@ -139,7 +139,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - uses: DeLaGuardo/setup-clojure@3.1
         with:
@@ -183,7 +183,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - uses: DeLaGuardo/setup-clojure@3.1
         with:
@@ -222,7 +222,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - uses: DeLaGuardo/setup-clojure@3.5
         with:
@@ -244,7 +244,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - uses: DeLaGuardo/setup-clojure@3.1
         with:
diff --git a/deps.edn b/deps.edn
index 9a8f42b00..d5ba05166 100644
--- a/deps.edn
+++ b/deps.edn
@@ -1,10 +1,10 @@
 {:paths ["src/main/clojure" "src/main/cljs" "resources"]
  :deps
- {com.google.javascript/closure-compiler-unshaded {:mvn/version "v20240317"}
+ {com.google.javascript/closure-compiler-unshaded {:mvn/version "v20250402"}
   com.cognitect/transit-java {:mvn/version "1.0.362"}
   org.clojure/clojure {:mvn/version "1.10.0"}
   org.clojure/core.specs.alpha {:mvn/version "0.1.24"}
-  org.clojure/google-closure-library {:mvn/version "0.0-20230227-c7c0a541"}
+  org.clojure/google-closure-library {:mvn/version "0.0-20250418-2ce9ab6d"}
   org.clojure/spec.alpha {:mvn/version "0.1.143"}
   org.clojure/tools.reader {:mvn/version "1.3.6"}
   org.clojure/test.check {:mvn/version "1.1.1"}}
diff --git a/pom.xml b/pom.xml
index 60c528f92..8a808cd22 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,12 +30,12 @@
         <dependency>
             <groupId>com.google.javascript</groupId>
             <artifactId>closure-compiler-unshaded</artifactId>
-            <version>v20210202</version>
+            <version>v20250402</version>
         </dependency>
         <dependency>
             <groupId>org.clojure</groupId>
             <artifactId>google-closure-library</artifactId>
-            <version>0.0-20201211-3e6c510d</version>
+            <version>0.0-20250418-2ce9ab6d</version>
         </dependency>
         <dependency>
             <groupId>org.clojure</groupId>
@@ -374,8 +374,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.1</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>21</source>
+                    <target>21</target>
                 </configuration>
             </plugin>
 	    <plugin>
diff --git a/project.clj b/project.clj
index 165a553e0..d46b9a126 100644
--- a/project.clj
+++ b/project.clj
@@ -14,8 +14,8 @@
                  [org.clojure/tools.reader "1.3.6"]
                  [org.clojure/test.check "1.1.1" :scope "test"]
                  [com.cognitect/transit-java "1.0.362"]
-                 [org.clojure/google-closure-library "0.0-20230227-c7c0a541"]
-                 [com.google.javascript/closure-compiler-unshaded "v20240317"]]
+                 [org.clojure/google-closure-library "0.0-20250418-2ce9ab6d"]
+                 [com.google.javascript/closure-compiler-unshaded "v20250402"]]
   :profiles {:1.6 {:dependencies [[org.clojure/clojure "1.6.0"]]}
              :uberjar {:aot :all :main cljs.main}
              :closure-snapshot {:dependencies [[com.google.javascript/closure-compiler-unshaded "1.0-SNAPSHOT"]]}}
diff --git a/script/bootstrap b/script/bootstrap
index 6fc56b539..0ba5fa670 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -5,8 +5,8 @@ set -e
 CLOJURE_RELEASE="1.9.0"
 SPEC_ALPHA_RELEASE="0.1.143"
 CORE_SPECS_ALPHA_RELEASE="0.1.24"
-CLOSURE_RELEASE="20240317"
-GCLOSURE_LIB_RELEASE="0.0-20230227-c7c0a541"
+CLOSURE_RELEASE="20250402"
+GCLOSURE_LIB_RELEASE="0.0-20250418-2ce9ab6d"
 TREADER_RELEASE="1.3.6"
 TEST_CHECK_RELEASE="1.1.1"
 
diff --git a/src/main/clojure/cljs/closure.clj b/src/main/clojure/cljs/closure.clj
index 28faeb04d..b215573f6 100644
--- a/src/main/clojure/cljs/closure.clj
+++ b/src/main/clojure/cljs/closure.clj
@@ -194,7 +194,6 @@
    :underscore DiagnosticGroups/UNDERSCORE
    :unknown-defines DiagnosticGroups/UNKNOWN_DEFINES
    :unused-local-variable DiagnosticGroups/UNUSED_LOCAL_VARIABLE
-   :unused-private-property DiagnosticGroups/UNUSED_PRIVATE_PROPERTY
    :violated-module-dep DiagnosticGroups/VIOLATED_MODULE_DEP
    :visibility DiagnosticGroups/VISIBILITY})
 
diff --git a/src/main/clojure/cljs/externs.clj b/src/main/clojure/cljs/externs.clj
index 910643b49..c5343e1b1 100644
--- a/src/main/clojure/cljs/externs.clj
+++ b/src/main/clojure/cljs/externs.clj
@@ -12,7 +12,7 @@
             [clojure.java.io :as io]
             [clojure.string :as string])
   (:import [com.google.javascript.jscomp
-            CompilerOptions CompilerOptions$Environment SourceFile JsAst CommandLineRunner]
+            CompilerOptions CompilerOptions$Environment SourceFile CompilerInput CommandLineRunner]
            [com.google.javascript.jscomp.parsing Config$JsDocParsing]
            [com.google.javascript.rhino
             Node Token JSTypeExpression JSDocInfo$Visibility]
@@ -238,7 +238,7 @@
               (com.google.javascript.jscomp.Compiler/setLoggingLevel Level/WARNING)
               compiler)
             (.init (list source-file) '() compiler-options))
-          js-ast (JsAst. source-file)
+          js-ast (CompilerInput. source-file)
           ^Node root (.getAstRoot js-ast closure-compiler)
           ;; TODO: switch to getFirstChild + getNext in the loop
           nodes (.children root)]