diff --git a/fabric/build.gradle b/fabric/build.gradle
index d77275e18..9e9db1984 100644
--- a/fabric/build.gradle
+++ b/fabric/build.gradle
@@ -1,3 +1,5 @@
+import xyz.wagyourtail.unimined.expect.task.ExpectPlatformJar
+
 plugins {
     id "fabric-loom"
     id 'xyz.wagyourtail.unimined.expect-platform' version '1.0.5'
@@ -107,6 +109,26 @@ sourcesJar {
     from(project(':antimatter-common').sourceSets.main.allSource)
 }
 
+tasks.create("platformJar", ExpectPlatformJar){
+    platformName = "fabric"
+    inputFiles = sourceSets.main.output
+    archiveClassifier.set "dev"
+    remap = [
+            "xyz/wagyourtail/unimined/expect/annotation/Environment": "net/fabricmc/api/Environment",
+            "xyz/wagyourtail/unimined/expect/annotation/Environment\$EnvType": "net/fabricmc/api/EnvType",
+    ]
+}
+
+remapJar {
+    inputFile.set platformJar.archiveFile
+    dependsOn platformJar
+    archiveClassifier.set null
+}
+
+jar{
+    archiveClassifier.set "dev-unmapped"
+}
+
 publishing {
     publications {
         mavenJava(org.gradle.api.publish.maven.MavenPublication) {