diff --git a/README.md b/README.md
index 1a0961c19..3f7225234 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 ## Purpur
 
 [![MIT License](https://img.shields.io/github/license/PurpurMC/Purpur?&logo=github)](LICENSE)
-[![Build Status](https://img.shields.io/github/actions/workflow/status/PurpurMC/Purpur/build.yml?branch=ver%2F1.20.4&event=push&logo=data:image/png;base64,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)](https://purpurmc.org/downloads/)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/PurpurMC/Purpur/build.yml?branch=ver%2F1.20.5&event=push&logo=data:image/png;base64,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)](https://purpurmc.org/downloads/)
 [![CodeFactor Grade](https://img.shields.io/codefactor/grade/github/PurpurMC/Purpur?logo=data%3Aimage%2Fpng%3Bbase64%2CiVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8%2F9hAAABhWlDQ1BJQ0MgcHJvZmlsZQAAKJF9kT1Iw0AcxV9bxSIVh1YQcYhQnSyIiuimVShChVArtOpgcukXNGlIUlwcBdeCgx%2BLVQcXZ10dXAVB8APE0clJ0UVK%2FF9SaBHjwXE%2F3t173L0D%2FPUyU82OMUDVLCOViAuZ7KrQ9YogwujDEGYkZupzopiE5%2Fi6h4%2BvdzGe5X3uz9Gj5EwG%2BATiWaYbFvEG8dSmpXPeJ46woqQQnxOPGnRB4keuyy6%2FcS447OeZESOdmieOEAuFNpbbmBUNlXiSOKqoGuX7My4rnLc4q%2BUqa96TvzCU01aWuU5zEAksYgkiBMioooQyLMRo1UgxkaL9uId%2FwPGL5JLJVQIjxwIqUCE5fvA%2F%2BN2tmZ8Yd5NCcaDzxbY%2FhoGuXaBRs%2B3vY9tunACBZ%2BBKa%2FkrdWD6k%2FRaS4seAb3bwMV1S5P3gMsdoP9JlwzJkQI0%2Ffk88H5G35QFwrdA95rbW3Mfpw9AmrpK3gAHh8BIgbLXPd4dbO%2Ft3zPN%2Fn4Ax9dyyerighsAAAAGYktHRAAAAAAAAPlDu38AAAAJcEhZcwAADdcAAA3XAUIom3gAAAAHdElNRQfmCBMVKAA5pS6%2BAAABlElEQVQ4y82PP2gVQRDGf7N3t%2Bvdixpi0N5OELFKJ1iohBciKlgYJLX6YkBbC0sVooVFBAvBPw%2BFZzrJs7DR2iYHRhBsxNI8VLwUx92MRXJGxKCp9AfL7DfDfPutFO3z5wy5DuRlWU2OvLj7hduLYXh0ZSEkOh4SjUKiBK%2BEZP34Gu%2FtbebLE86Qa8BO4FDwyWmAbPjzMWACiNgEMdun6macwfJ6z2qxZYBI6ndAxR%2BRN%2FL1ZGeXlDqFkm%2Fv33nZjHZ0u2OZrw%2F7pBYf16Re8UEJ8VpNE33fP3BxgX%2BOFOOdtjmuGpoPtT51pNcrMZORx4%2FmslQnslAlWahItymZrz%2Bmqc4%2B2z%2B71BjE5uwesEeQsaLY%2FQp42LrfPUqwy2DNO03ZK9hN4Ehj4IDBjzjKCoC5aMDG9q%2BhBz%2BrWCN3KqptBtG89Xx%2BEWB1%2Bszr8OTBFMgkSLKWQAA%2BVCU3%2BK%2BQb%2B0LB4FLGHmrP39LNv3773Ei9IBphLnVduf4VhM4M9JGqGzc%2F5bYnDsrqlcQloaK0adbNfgOUn6NRlZZ46YAAAAASUVORK5CYII%3D)](https://www.codefactor.io/repository/github/PurpurMC/Purpur)
 [![Join us on Discord](https://discord.com/api/guilds/685683385313919172/widget.png?style=shield)](https://purpurmc.org/discord)
 
@@ -27,7 +27,7 @@ Join us on Discord:
 ## Downloads
 Downloads can be obtained from the [downloads page](https://purpurmc.org/downloads/) or the [downloads API](https://api.purpurmc.org).
 
-[![Build Status](https://img.shields.io/github/actions/workflow/status/PurpurMC/Purpur/build.yml?branch=ver%2F1.20.4&event=push&label=Downloads&logo=data:image/png;base64,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)](https://purpurmc.org/downloads/)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/PurpurMC/Purpur/build.yml?branch=ver%2F1.20.5&event=push&label=Downloads&logo=data:image/png;base64,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)](https://purpurmc.org/downloads/)
 
 Downloads API endpoints:
  * List versions of Minecraft with builds available:
@@ -67,7 +67,7 @@ Maven
 <dependency>
     <groupId>org.purpurmc.purpur</groupId>
     <artifactId>purpur-api</artifactId>
-    <version>1.20.4-R0.1-SNAPSHOT</version>
+    <version>1.20.5-R0.1-SNAPSHOT</version>
     <scope>provided</scope>
 </dependency>
 ```
@@ -80,7 +80,7 @@ repositories {
 ```
 ```kotlin
 dependencies {
-    compileOnly("org.purpurmc.purpur:purpur-api:1.20.4-R0.1-SNAPSHOT")
+    compileOnly("org.purpurmc.purpur:purpur-api:1.20.5-R0.1-SNAPSHOT")
 }
 ```
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 6212fb8f8..68aec3b5b 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,7 +5,7 @@ plugins {
     java
     `maven-publish`
     id("com.github.johnrengelman.shadow") version "8.1.1" apply false
-    id("io.papermc.paperweight.patcher") version "1.5.15"
+    id("io.papermc.paperweight.patcher") version "1.6.2"
 }
 
 allprojects {
@@ -14,7 +14,7 @@ allprojects {
 
     java {
         toolchain {
-            languageVersion = JavaLanguageVersion.of(17)
+            languageVersion = JavaLanguageVersion.of(21)
         }
     }
 }
@@ -24,7 +24,7 @@ val paperMavenPublicUrl = "https://repo.papermc.io/repository/maven-public/"
 subprojects {
     tasks.withType<JavaCompile>().configureEach {
         options.encoding = Charsets.UTF_8.name()
-        options.release = 17
+        options.release = 21
     }
     tasks.withType<Javadoc> {
         options.encoding = Charsets.UTF_8.name()
diff --git a/gradle.properties b/gradle.properties
index f7cd9421d..feaa82d60 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,8 +1,8 @@
 group = org.purpurmc.purpur
-version = 1.20.4-R0.1-SNAPSHOT
+version = 1.20.5-R0.1-SNAPSHOT
 
-mcVersion = 1.20.4
-paperCommit = 7ac24a18940da12beb39a030113f6e459f348e2f
+mcVersion = 1.20.5
+paperCommit = f187fd696aa2bec774b1199b2e3c6937dd12937f
 
 org.gradle.caching = true
 org.gradle.parallel = true