diff --git a/adapters/fabric/build.gradle b/adapters/fabric/build.gradle
index 8b7d4f9cc..327f4a066 100644
--- a/adapters/fabric/build.gradle
+++ b/adapters/fabric/build.gradle
@@ -62,7 +62,7 @@ apply from: file('../../gradle/java21-runtime-exclusions.gradle')
 
 Properties rootProperties = new Properties()
 file('../../gradle.properties').withInputStream { InputStream stream -> rootProperties.load(stream) }
-String irisVersion = providers.gradleProperty('irisVersion').getOrElse(rootProperties.getProperty('irisVersion', '4.3.6'))
+String irisVersion = providers.gradleProperty('irisVersion').getOrElse(rootProperties.getProperty('irisVersion', '4.3.7'))
 String minecraftVersion = providers.gradleProperty('minecraftVersion').getOrElse(rootProperties.getProperty('minecraftVersion', '26.3'))
 String fabricLoaderVersion = providers.gradleProperty('fabricLoaderVersion').getOrElse(irisModTarget.fabricLoader.toString())
 Closure<String> irisArtifactName = { String platform, String targetVersion ->
diff --git a/adapters/forge/build.gradle b/adapters/forge/build.gradle
index d9c226f37..aa44518cd 100644
--- a/adapters/forge/build.gradle
+++ b/adapters/forge/build.gradle
@@ -61,7 +61,7 @@ apply from: file('../../gradle/java21-runtime-exclusions.gradle')
 
 Properties rootProperties = new Properties()
 file('../../gradle.properties').withInputStream { InputStream stream -> rootProperties.load(stream) }
-String irisVersion = providers.gradleProperty('irisVersion').getOrElse(rootProperties.getProperty('irisVersion', '4.3.6'))
+String irisVersion = providers.gradleProperty('irisVersion').getOrElse(rootProperties.getProperty('irisVersion', '4.3.7'))
 String minecraftVersion = providers.gradleProperty('minecraftVersion').getOrElse(rootProperties.getProperty('minecraftVersion', '26.3'))
 String forgeVersion = providers.gradleProperty('forgeVersion').getOrElse(irisModTarget.forge.toString())
 String buildLane = gradle.extensions.extraProperties.has('irisBuildLane')
diff --git a/adapters/neoforge/build.gradle b/adapters/neoforge/build.gradle
index 9a4bc5177..25fed5589 100644
--- a/adapters/neoforge/build.gradle
+++ b/adapters/neoforge/build.gradle
@@ -60,7 +60,7 @@ apply from: file('../../gradle/java21-runtime-exclusions.gradle')
 
 Properties rootProperties = new Properties()
 file('../../gradle.properties').withInputStream { InputStream stream -> rootProperties.load(stream) }
-String irisVersion = providers.gradleProperty('irisVersion').getOrElse(rootProperties.getProperty('irisVersion', '4.3.6'))
+String irisVersion = providers.gradleProperty('irisVersion').getOrElse(rootProperties.getProperty('irisVersion', '4.3.7'))
 String minecraftVersion = providers.gradleProperty('minecraftVersion').getOrElse(rootProperties.getProperty('minecraftVersion', '26.3'))
 String neoForgeVersion = providers.gradleProperty('neoForgeVersion').getOrElse(irisModTarget.neoForge.toString())
 Closure<String> irisArtifactName = { String platform, String targetVersion ->
diff --git a/build.gradle b/build.gradle
index e351e65d2..7dd37a3dd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -55,7 +55,7 @@ apply from: file('gradle/runtime-relocations.gradle')
 apply from: file('gradle/volmlib-stamp.gradle')
 
 group = 'art.arcane'
-version = providers.gradleProperty('irisVersion').getOrElse('4.3.6')
+version = providers.gradleProperty('irisVersion').getOrElse('4.3.7')
 
 project(':core') {
     group = 'art.arcane'
diff --git a/gradle.properties b/gradle.properties
index 45f12b3f8..ada17b222 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -22,7 +22,7 @@ org.gradle.jvmargs=-Xmx3072m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF
 org.gradle.caching=true
 org.gradle.configureondemand=false
 
-irisVersion=4.3.6
+irisVersion=4.3.7
 minecraftVersion=26.3
 # Bukkit plugin api-version: lowest supported Minecraft release line so one artifact loads on 26.1.2 through 26.3
 apiVersion=26.1