diff --git a/README.md b/README.md
index 96a6d652ef..f42afd2901 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ How To (Plugin Developers)
 <dependency>
     <groupId>io.papermc.paper</groupId>
     <artifactId>paper-api</artifactId>
-    <version>1.20.3-R0.1-SNAPSHOT</version>
+    <version>1.20.4-R0.1-SNAPSHOT</version>
     <scope>provided</scope>
 </dependency>
 ```
@@ -53,7 +53,7 @@ repositories {
 }
 
 dependencies {
-    compileOnly("io.papermc.paper:paper-api:1.20.3-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.20.4-R0.1-SNAPSHOT")
 }
 
 java {
diff --git a/build.gradle.kts b/build.gradle.kts
index 9a598c0648..2ba754fb96 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -67,7 +67,7 @@ repositories {
 }
 
 dependencies {
-    paramMappings("net.fabricmc:yarn:1.20.3+build.1:mergedv2")
+    paramMappings("net.fabricmc:yarn:1.20.4+build.1:mergedv2")
     remapper("net.fabricmc:tiny-remapper:0.8.10:fat")
     decompiler("net.minecraftforge:forgeflower:2.0.627.2")
     spigotDecompiler("io.papermc:patched-spigot-fernflower:0.1+build.6")
diff --git a/gradle.properties b/gradle.properties
index 2b02b49f36..794f7c1540 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 group=io.papermc.paper
-version=1.20.3-R0.1-SNAPSHOT
-mcVersion=1.20.3
+version=1.20.4-R0.1-SNAPSHOT
+mcVersion=1.20.4
 
 # Set to true while updating Minecraft version
 updatingMinecraft=false
diff --git a/paper-api-generator/generated/io/papermc/paper/registry/keys/BiomeKeys.java b/paper-api-generator/generated/io/papermc/paper/registry/keys/BiomeKeys.java
index f96c3f3c46..1c54650e44 100644
--- a/paper-api-generator/generated/io/papermc/paper/registry/keys/BiomeKeys.java
+++ b/paper-api-generator/generated/io/papermc/paper/registry/keys/BiomeKeys.java
@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.20.3")
+@GeneratedFrom("1.20.4")
 @ApiStatus.Experimental
 public final class BiomeKeys {
     /**
diff --git a/paper-api-generator/generated/io/papermc/paper/registry/keys/GameEventKeys.java b/paper-api-generator/generated/io/papermc/paper/registry/keys/GameEventKeys.java
index 496729eac4..ebb0180aa0 100644
--- a/paper-api-generator/generated/io/papermc/paper/registry/keys/GameEventKeys.java
+++ b/paper-api-generator/generated/io/papermc/paper/registry/keys/GameEventKeys.java
@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.20.3")
+@GeneratedFrom("1.20.4")
 @ApiStatus.Experimental
 public final class GameEventKeys {
     /**
diff --git a/paper-api-generator/generated/io/papermc/paper/registry/keys/StructureTypeKeys.java b/paper-api-generator/generated/io/papermc/paper/registry/keys/StructureTypeKeys.java
index 6324b89a9a..7415875b0d 100644
--- a/paper-api-generator/generated/io/papermc/paper/registry/keys/StructureTypeKeys.java
+++ b/paper-api-generator/generated/io/papermc/paper/registry/keys/StructureTypeKeys.java
@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.20.3")
+@GeneratedFrom("1.20.4")
 @ApiStatus.Experimental
 public final class StructureTypeKeys {
     /**
diff --git a/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimMaterialKeys.java b/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimMaterialKeys.java
index a2c834cbb4..a9946153a2 100644
--- a/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimMaterialKeys.java
+++ b/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimMaterialKeys.java
@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.20.3")
+@GeneratedFrom("1.20.4")
 @ApiStatus.Experimental
 public final class TrimMaterialKeys {
     /**
diff --git a/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimPatternKeys.java b/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimPatternKeys.java
index ae2b38d54d..5da2648555 100644
--- a/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimPatternKeys.java
+++ b/paper-api-generator/generated/io/papermc/paper/registry/keys/TrimPatternKeys.java
@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;
         "unused",
         "SpellCheckingInspection"
 })
-@GeneratedFrom("1.20.3")
+@GeneratedFrom("1.20.4")
 @ApiStatus.Experimental
 public final class TrimPatternKeys {
     /**