diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1af9e0930..a80b22ce5 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew.bat b/gradlew.bat
index 93e3f59f1..25da30dbd 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -43,11 +43,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,11 +57,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 36bca311e..d3dddfefb 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -9,7 +9,7 @@ pluginManagement {
 }
 
 dependencyResolutionManagement {
-    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositoriesMode = RepositoriesMode.FAIL_ON_PROJECT_REPOS
     repositories {
         google()
         mavenCentral()
diff --git a/tools/mklanguages/build.gradle.kts b/tools/mklanguages/build.gradle.kts
index b51c94c31..69943a754 100644
--- a/tools/mklanguages/build.gradle.kts
+++ b/tools/mklanguages/build.gradle.kts
@@ -16,7 +16,7 @@
  */
 
 application {
-    mainClass.set("app.pachli.mklanguages.MainKt")
+    mainClass = "app.pachli.mklanguages.MainKt"
 }
 
 dependencies {
diff --git a/tools/mkserverversions/build.gradle.kts b/tools/mkserverversions/build.gradle.kts
index c3fbb5b4b..555e698ef 100644
--- a/tools/mkserverversions/build.gradle.kts
+++ b/tools/mkserverversions/build.gradle.kts
@@ -20,7 +20,7 @@ plugins {
 }
 
 application {
-    mainClass.set("app.pachli.mkserverversions.MainKt")
+    mainClass = "app.pachli.mkserverversions.MainKt"
 }
 
 dependencies {
@@ -44,6 +44,6 @@ tasks.test {
 
 apollo {
     service("service") {
-        packageName.set("app.pachli.mkserverversions.fediverseobserver")
+        packageName = "app.pachli.mkserverversions.fediverseobserver"
     }
 }
diff --git a/tools/mvstring/build.gradle.kts b/tools/mvstring/build.gradle.kts
index ee78a0003..00a64e9c4 100644
--- a/tools/mvstring/build.gradle.kts
+++ b/tools/mvstring/build.gradle.kts
@@ -16,7 +16,7 @@
  */
 
 application {
-    mainClass.set("app.pachli.mvstring.MainKt")
+    mainClass = "app.pachli.mvstring.MainKt"
 }
 
 dependencies {