diff --git a/ant/build.gradle b/ant/build.gradle
index 89f3d789d..794446db1 100644
--- a/ant/build.gradle
+++ b/ant/build.gradle
@@ -7,7 +7,7 @@ plugins {
 }
 
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 sourceCompatibility = "${target}"
diff --git a/base/build.gradle b/base/build.gradle
index 6913ef64d..12a5d1291 100644
--- a/base/build.gradle
+++ b/base/build.gradle
@@ -7,7 +7,7 @@ plugins {
 }
 
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 sourceCompatibility = "${target}"
diff --git a/docs/md/downloads.md b/docs/md/downloads.md
index e879d9257..01725f02f 100644
--- a/docs/md/downloads.md
+++ b/docs/md/downloads.md
@@ -6,9 +6,7 @@ ProGuard is written in Java, so it requires a Java Runtime Environment
 
 You can download ProGuard in various forms:
 
-- [Pre-built artifacts](https://bintray.com/guardsquare/proguard) at JCenter
 - [Pre-built artifacts](https://search.maven.org/search?q=g:com.guardsquare) at Maven Central
-- [Traditional pre-built archives](https://sourceforge.net/projects/proguard/files/) at SourceForge
 - A [Git repository of the source code](https://github.com/Guardsquare/proguard) at Github
 - The [complete ProGuard manual](https://www.guardsquare.com/proguard) at Guardsquare
 
diff --git a/docs/md/manual/languages/java.md b/docs/md/manual/languages/java.md
index 7b58fd893..a83176af8 100644
--- a/docs/md/manual/languages/java.md
+++ b/docs/md/manual/languages/java.md
@@ -73,7 +73,7 @@ Furthermore, you need to add the *streamsupport* library as dependency to your
 project, e.g. like this:
 ```Groovy
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 dependencies {
@@ -132,7 +132,7 @@ Furthermore, you need to add the *threetenbp* library as dependency to your
 project, e.g. like this:
 ```Groovy
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 dependencies {
diff --git a/docs/md/manual/quickstart.md b/docs/md/manual/quickstart.md
index 5a1ed8383..b3e3d72a9 100644
--- a/docs/md/manual/quickstart.md
+++ b/docs/md/manual/quickstart.md
@@ -37,8 +37,7 @@ For more detailed information see [standalone mode](setup/standalone.md).
 
 ## Integrated
 
-The ProGuard artifacts are hosted at [JCenter](https://bintray.com/guardsquare/proguard) 
-or [Maven Central](https://search.maven.org/search?q=g:com.guardsquare).
+The ProGuard artifacts are hosted at [Maven Central](https://search.maven.org/search?q=g:com.guardsquare).
 
 ### Android Gradle project
 
diff --git a/docs/md/manual/setup/gradle.md b/docs/md/manual/setup/gradle.md
index dba65004a..11eaa02a9 100644
--- a/docs/md/manual/setup/gradle.md
+++ b/docs/md/manual/setup/gradle.md
@@ -7,7 +7,7 @@ line to your **`build.gradle`** file:
 ```Groovy
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath 'com.guardsquare:proguard-gradle:7.0.1'
diff --git a/docs/md/manual/setup/gradleplugin.md b/docs/md/manual/setup/gradleplugin.md
index fc3b91735..b1024e823 100644
--- a/docs/md/manual/setup/gradleplugin.md
+++ b/docs/md/manual/setup/gradleplugin.md
@@ -59,7 +59,7 @@ project as follows:
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.3.0'
@@ -78,7 +78,7 @@ buildscript {
     repositories {
         flatDir dirs: '/usr/local/java/proguard/lib'
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.3.0'
diff --git a/examples/android-plugin/build.gradle b/examples/android-plugin/build.gradle
index afc5a9409..7b48a6c1d 100644
--- a/examples/android-plugin/build.gradle
+++ b/examples/android-plugin/build.gradle
@@ -5,11 +5,11 @@ buildscript {
     repositories {
         //flatDir dirs: '../../lib' // For the local copy of the ProGuard plugin.
         google()                    // For the Android Gradle plugin.
-        jcenter()                   // For anything else.
+        mavenCentral()              // For anything else.
     }
     dependencies {
         //classpath ':proguard:'    // For the local copy of the ProGuard plugin.
-        classpath 'com.guardsquare:proguard-gradle:7.0.1' // For the copy from Jcenter.
+        classpath 'com.guardsquare:proguard-gradle:7.0.1'
         classpath 'com.android.tools.build:gradle:3.3.0'
     }
 }
@@ -62,6 +62,6 @@ android {
 }
 
 repositories {
-    google()  // For the Android plugin.
-    jcenter() // For anything else.
+    google()       // For the Android plugin.
+    mavenCentral() // For anything else.
 }
diff --git a/examples/android/build.gradle b/examples/android/build.gradle
index 242c4224c..61e97c689 100644
--- a/examples/android/build.gradle
+++ b/examples/android/build.gradle
@@ -1,7 +1,7 @@
 buildscript {
     repositories {
-        google()  // For the Android plugin.
-        jcenter() // For anything else.
+        google()       // For the Android plugin.
+        mavenCentral() // For anything else.
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:4.1.3'
@@ -63,6 +63,6 @@ android {
 }
 
 repositories {
-    google()  // For the Android plugin.
-    jcenter() // For anything else.
+    google()       // For the Android plugin.
+    mavenCentral() // For anything else.
 }
diff --git a/examples/gradle-kotlin-dsl/build.gradle.kts b/examples/gradle-kotlin-dsl/build.gradle.kts
index cf43487b4..cee682bc7 100644
--- a/examples/gradle-kotlin-dsl/build.gradle.kts
+++ b/examples/gradle-kotlin-dsl/build.gradle.kts
@@ -1,6 +1,6 @@
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
@@ -17,7 +17,7 @@ plugins {
 }
 
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 dependencies {
diff --git a/examples/gradle/android.gradle b/examples/gradle/android.gradle
index fd4a866c0..3c9800592 100644
--- a/examples/gradle/android.gradle
+++ b/examples/gradle/android.gradle
@@ -16,7 +16,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/applets.gradle b/examples/gradle/applets.gradle
index 6cd4f4523..c36137c00 100644
--- a/examples/gradle/applets.gradle
+++ b/examples/gradle/applets.gradle
@@ -9,7 +9,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/applications.gradle b/examples/gradle/applications.gradle
index 1a0f73bac..dba978be3 100644
--- a/examples/gradle/applications.gradle
+++ b/examples/gradle/applications.gradle
@@ -9,7 +9,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/library.gradle b/examples/gradle/library.gradle
index 3947001a5..62581027f 100644
--- a/examples/gradle/library.gradle
+++ b/examples/gradle/library.gradle
@@ -10,7 +10,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/midlets.gradle b/examples/gradle/midlets.gradle
index 6523ff475..9097fc260 100644
--- a/examples/gradle/midlets.gradle
+++ b/examples/gradle/midlets.gradle
@@ -9,7 +9,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/proguard.gradle b/examples/gradle/proguard.gradle
index 752fd3966..e17c57252 100644
--- a/examples/gradle/proguard.gradle
+++ b/examples/gradle/proguard.gradle
@@ -10,7 +10,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/proguardgui.gradle b/examples/gradle/proguardgui.gradle
index 725b9a13c..631399e99 100644
--- a/examples/gradle/proguardgui.gradle
+++ b/examples/gradle/proguardgui.gradle
@@ -10,7 +10,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/retrace.gradle b/examples/gradle/retrace.gradle
index a9ee99ea8..76429037d 100644
--- a/examples/gradle/retrace.gradle
+++ b/examples/gradle/retrace.gradle
@@ -10,7 +10,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/scala.gradle b/examples/gradle/scala.gradle
index 2c5a83544..14ad83ce4 100644
--- a/examples/gradle/scala.gradle
+++ b/examples/gradle/scala.gradle
@@ -10,7 +10,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/examples/gradle/servlets.gradle b/examples/gradle/servlets.gradle
index 57280fd04..ed9c7f1aa 100644
--- a/examples/gradle/servlets.gradle
+++ b/examples/gradle/servlets.gradle
@@ -9,7 +9,7 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
diff --git a/gradle-plugin/build.gradle b/gradle-plugin/build.gradle
index 8551dd2c7..508dddf99 100644
--- a/gradle-plugin/build.gradle
+++ b/gradle-plugin/build.gradle
@@ -6,7 +6,7 @@ plugins {
 
 repositories {
     google()
-    jcenter()
+    mavenCentral()
 }
 
 sourceCompatibility = "${target}"
diff --git a/gui/build.gradle b/gui/build.gradle
index e87add2c6..83ff74f92 100644
--- a/gui/build.gradle
+++ b/gui/build.gradle
@@ -7,7 +7,7 @@ plugins {
 }
 
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 sourceCompatibility = "${target}"
diff --git a/retrace/build.gradle b/retrace/build.gradle
index 134ececf5..e09d04105 100644
--- a/retrace/build.gradle
+++ b/retrace/build.gradle
@@ -7,7 +7,7 @@ plugins {
 }
 
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 sourceCompatibility = "${target}"