diff --git a/TODO.md b/TODO.md
index 7bcae11..8a5bf00 100644
--- a/TODO.md
+++ b/TODO.md
@@ -32,7 +32,7 @@ Here will be kept all of the various todos for this project, organized by releas
   - [ ] introduction of `models`
 - [x] Change most instances of `Closure<Void>` to `Closure<?>` to help with IDE expectations.
 - [ ] Fix auto-imports in build script so we don't need to import things.
-- [ ] Re-introduce input/output concept to tasks, if possible
+- [x] Re-introduce input/output concept to tasks, if possible
 
 ## Finished
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 37aef8d..3499ded 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-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists