diff --git a/About/Manifest.xml b/About/Manifest.xml
index ca37b1f..db0517e 100644
--- a/About/Manifest.xml
+++ b/About/Manifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <Manifest>
-	<version>2.2.15.3</version>
+	<version>2.2.15.4</version>
 	<manifestUri>https://gitgud.io/Tory/rimnude-unofficial/-/raw/master/About/Manifest.xml</manifestUri>
     <downloadUri>https://gitgud.io/Tory/rimnude-unofficial/</downloadUri>
 </Manifest>
diff --git a/Common/Patches/NudePatch - Humans.xml b/Common/Patches/NudePatch - Humans.xml
index 3ebc4ca..45b4ad1 100644
--- a/Common/Patches/NudePatch - Humans.xml	
+++ b/Common/Patches/NudePatch - Humans.xml	
@@ -293,6 +293,14 @@
 						<hediffGraphics>
 						 <!--vanilla RJW -->
 							<!-- pregnancy -->
+							<PregnantHuman MayRequire="ludeon.rimworld.biotech">
+								<path>Belly/featureless</path>
+								<severity>
+									<a0.666>Belly/belly_huge</a0.666>									
+									<a0.333>Belly/belly_huge</a0.333> 
+									<a0.00>Belly/featureless</a0.00> 
+								</severity>
+							</PregnantHuman>
 							<RJW_pregnancy>
 								<path>Belly/featureless</path>
 								<severity>
diff --git a/changelog.txt b/changelog.txt
index 06ef2a5..647f2ec 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,6 @@
+ver 2.2.15.4 Unofficial
+- Added Biotech pregnancy hediff graphics
+
 ver 2.2.15.3 Unofficial
 - updated VE Armor revealing apparel patch. Checks for BulletproofVest rather than the mod (should remain backwards compatible with 1.3 and lower and hopefully will find whatever mod they get added into in the future)