diff --git a/gradle.properties b/gradle.properties
index 8d7aa881..fa3541e0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-mod_version=1.0.20
+mod_version=1.0.21
 minecraft_version=1.18.1
 forge_version=39.0.5
 cyclopscore_version=1.13.0-123
diff --git a/resources/changelog/1.18.1-1.0.21.txt b/resources/changelog/1.18.1-1.0.21.txt
new file mode 100644
index 00000000..a79fdaec
--- /dev/null
+++ b/resources/changelog/1.18.1-1.0.21.txt
@@ -0,0 +1,8 @@
+As always, don't forget to backup your world before updating!
+Requires CyclopsCore version 1.13.0 or higher.
+
+Fixes:
+* Fix crafting advancements triggering too eagerly
+  Closes CyclopsMC/IntegratedDynamics#1125
+* Fix advancements triggering too eagerly
+  Closes CyclopsMC/IntegratedDynamics#1125