diff --git a/src/main/java/net/fabricmc/stitch/commands/GenMap.java b/src/main/java/net/fabricmc/stitch/commands/GenMap.java
index 3df7d72..d5ce634 100644
--- a/src/main/java/net/fabricmc/stitch/commands/GenMap.java
+++ b/src/main/java/net/fabricmc/stitch/commands/GenMap.java
@@ -20,7 +20,7 @@
 import java.util.Map;
 import java.util.function.Function;
 
-import org.checkerframework.checker.nullness.qual.Nullable;
+import org.jetbrains.annotations.Nullable;
 
 import net.fabricmc.mapping.util.EntryTriple;
 import net.fabricmc.mappingio.tree.MappingTree;
diff --git a/src/main/java/net/fabricmc/stitch/commands/GenState.java b/src/main/java/net/fabricmc/stitch/commands/GenState.java
index a8ac5f7..ae32f1a 100644
--- a/src/main/java/net/fabricmc/stitch/commands/GenState.java
+++ b/src/main/java/net/fabricmc/stitch/commands/GenState.java
@@ -37,7 +37,7 @@
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
 
-import org.checkerframework.checker.nullness.qual.Nullable;
+import org.jetbrains.annotations.Nullable;
 import org.objectweb.asm.Opcodes;
 
 import net.fabricmc.mapping.util.EntryTriple;