diff --git a/Common/build.gradle b/Common/build.gradle
index c8bba05d..b703a769 100644
--- a/Common/build.gradle
+++ b/Common/build.gradle
@@ -38,6 +38,9 @@ dependencies {
     compileOnly "at.petra-k.paucal:paucal-common-$minecraftVersion:$paucalVersion"
     compileOnly "vazkii.patchouli:Patchouli-xplat:$minecraftVersion-$patchouliVersion"
 
+    compileOnly "org.jetbrains:annotations:$jetbrainsAnnotationsVersion"
+    testCompileOnly "org.jetbrains:annotations:$jetbrainsAnnotationsVersion"
+
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.1'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.6.1'
 }
diff --git a/Fabric/build.gradle b/Fabric/build.gradle
index b71a22a2..53a55f76 100644
--- a/Fabric/build.gradle
+++ b/Fabric/build.gradle
@@ -57,6 +57,8 @@ dependencies {
     modImplementation "net.fabricmc.fabric-api:fabric-api:${fabricVersion}"
 
     // Reqs
+    compileOnly "org.jetbrains:annotations:$jetbrainsAnnotationsVersion"
+    testCompileOnly "org.jetbrains:annotations:$jetbrainsAnnotationsVersion"
     compileOnly "com.demonwav.mcdev:annotations:1.0"
 
     implementation group: 'com.google.code.findbugs', name: 'jsr305', version: '3.0.1'
diff --git a/Forge/build.gradle b/Forge/build.gradle
index 3150cb41..103f93bd 100644
--- a/Forge/build.gradle
+++ b/Forge/build.gradle
@@ -132,6 +132,9 @@ dependencies {
     minecraft "net.minecraftforge:forge:${minecraftVersion}-${forgeVersion}"
     compileOnly project(":Common")
 
+    compileOnly "org.jetbrains:annotations:$jetbrainsAnnotationsVersion"
+    testCompileOnly "org.jetbrains:annotations:$jetbrainsAnnotationsVersion"
+
     annotationProcessor 'org.spongepowered:mixin:0.8.5:processor'
 
     compileOnly fg.deobf("at.petra-k.paucal:paucal-forge-$minecraftVersion:$paucalVersion")
diff --git a/gradle.properties b/gradle.properties
index f4f31874..11397170 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,6 +6,8 @@ org.gradle.daemon=false
 modID=hexcasting
 modName=Hex Casting
 
+jetbrainsAnnotationsVersion=23.0.0
+
 minecraftVersion=1.18.2
 kotlinVersion=1.6.21
 modVersion=0.9.2
@@ -14,4 +16,4 @@ paucalVersion=0.4.6
 patchouliVersion=69
 
 jeiVersion=9.5.3.143
-pehkuiVersion=3.3.2
\ No newline at end of file
+pehkuiVersion=3.3.2