diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index f9b6a7915..390977147 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -7,8 +7,7 @@ import com.android.build.api.dsl.ApplicationExtension
 
 plugins {
     alias(libs.plugins.android.application)
-    alias(libs.plugins.jetbrains.kotlin.android)
-    alias(libs.plugins.jetbrains.kotlin.kapt)
+    alias(libs.plugins.android.legacy.kapt)
     alias(libs.plugins.google.ksp)
     alias(libs.plugins.jetbrains.kotlin.parcelize)
     alias(libs.plugins.jetbrains.kotlinx.serialization)
diff --git a/build.gradle.kts b/build.gradle.kts
index 13e33dce5..53c8a4c42 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,10 +3,16 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
+buildscript {
+    dependencies {
+        // https://developer.android.com/build/releases/agp-9-0-0-release-notes#runtime-dependency-on-kotlin-gradle-plugin-upgrade
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${libs.versions.kotlin.get()}")
+    }
+}
+
 plugins {
     alias(libs.plugins.android.application) apply false
-    alias(libs.plugins.jetbrains.kotlin.android) apply false
-    alias(libs.plugins.jetbrains.kotlin.kapt) apply false
+    alias(libs.plugins.android.legacy.kapt) apply false
     alias(libs.plugins.google.ksp) apply false
     alias(libs.plugins.jetbrains.kotlin.parcelize) apply false
     alias(libs.plugins.jetbrains.kotlinx.serialization) apply false
diff --git a/gradle.properties b/gradle.properties
index 1a8297ddf..dd79a45b2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,3 @@
-android.useAndroidX=true
 org.gradle.jvmargs=-Xmx2048M --add-opens jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED
 systemProp.file.encoding=utf-8
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index efa0c62e1..ba23ab292 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,14 +5,14 @@
 
 [versions]
 acra = "5.13.1"
-agp = "8.13.2"
+agp = "9.2.1"
 appcompat = "1.7.1"
 assertj = "3.27.7"
 autoservice-google = "1.1.1"
 autoservice-zacsweers = "1.2.0"
 bridge = "v2.0.2"
 cardview = "1.0.0"
-checkstyle = "13.4.0"
+checkstyle = "13.4.2"
 coil = "3.4.0"
 constraintlayout = "2.2.1"
 core = "1.18.0"
@@ -25,9 +25,9 @@ jsoup = "1.22.2"
 junit = "4.13.2"
 junit-ext = "1.3.0"
 kotlin = "2.3.21"
-kotlinx-coroutines-rx3 = "1.10.2"
+kotlinx-coroutines-rx3 = "1.11.0"
 kotlinx-serialization-json = "1.11.0"
-ksp = "2.3.6"
+ksp = "2.3.8"
 ktlint = "1.8.0"
 leakcanary = "2.14"
 lifecycle = "2.10.0"
@@ -46,7 +46,7 @@ runner = "1.7.0"
 rxandroid = "3.0.2"
 rxbinding = "4.0.0"
 rxjava = "3.1.12"
-sonarqube = "7.2.3.7755"
+sonarqube = "7.3.0.8198"
 statesaver = "1.4.1" # TODO: Drop because it is deprecated and incompatible with KSP2
 stetho = "1.6.0"
 swiperefreshlayout = "1.2.0"
@@ -136,9 +136,8 @@ zacsweers-autoservice-compiler = { module = "dev.zacsweers.autoservice:auto-serv
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
+android-legacy-kapt = { id = "com.android.legacy-kapt", version.ref = "agp" } # Needed for statesaver
 google-ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
-jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
-jetbrains-kotlin-kapt = { id = "org.jetbrains.kotlin.kapt", version.ref = "kotlin" } # Needed for statesaver
 jetbrains-kotlin-parcelize = { id = "org.jetbrains.kotlin.plugin.parcelize", version.ref = "kotlin" }
 jetbrains-kotlinx-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
 sonarqube = { id = "org.sonarqube", version.ref = "sonarqube" }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index d997cfc60..b1b8ef56b 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 8e61ef125..bd82f36ba 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,8 +1,10 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
+distributionSha256Sum=bafc141b619ad6350fd975fc903156dd5c151998cc8b058e8c1044ab5f7b031f
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
 networkTimeout=10000
+retries=0
+retryBackOffMs=500
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 739907dfd..b9bb139f7 100755
--- a/gradlew
+++ b/gradlew
@@ -57,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/2d6327017519d23b96af35865dc997fcb544fb40/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
diff --git a/gradlew.bat b/gradlew.bat
index e509b2dd8..aa5f10b06 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -23,8 +23,8 @@
 @rem
 @rem ##########################################################################
 
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
+@rem Set local scope for the variables, and ensure extensions are enabled
+setlocal EnableExtensions
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
@@ -51,7 +51,7 @@ 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
+"%COMSPEC%" /c exit 1
 
 :findJavaFromJavaHome
 set JAVA_HOME=%JAVA_HOME:"=%
@@ -65,7 +65,7 @@ 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
+"%COMSPEC%" /c exit 1
 
 :execute
 @rem Setup the command line
@@ -73,21 +73,10 @@ goto fail
 
 
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
+@rem endlocal doesn't take effect until after the line is parsed and variables are expanded
+@rem which allows us to clear the local environment before executing the java command
+endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel
 
-:end
-@rem End local scope for the variables with windows NT shell
-if %ERRORLEVEL% equ 0 goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-set EXIT_CODE=%ERRORLEVEL%
-if %EXIT_CODE% equ 0 set EXIT_CODE=1
-if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
-exit /b %EXIT_CODE%
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+:exitWithErrorLevel
+@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts
+"%COMSPEC%" /c exit %ERRORLEVEL%