diff --git a/1.4/Patches/PerfectImmunityGenePatch.xml b/1.4/Patches/PerfectImmunityGenePatch.xml
new file mode 100644
index 0000000..094331d
--- /dev/null
+++ b/1.4/Patches/PerfectImmunityGenePatch.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<Patch>
+	<Operation Class="PatchOperationFindMod">
+		<mods>
+			<li>Biotech</li>
+		</mods>
+		<match Class="PatchOperationAdd">
+			<xpath>Defs/GeneDef[defName="PerfectImmunity"]/makeImmuneTo</xpath>
+			<value>
+				<li>Warts</li>
+				<li>Herpes</li>
+				<li>Syphilis</li>
+				<li>Boobitis</li>
+				<li>AcuteHIV</li>
+				<li>ChronicHIV</li>
+			</value>
+		</match>
+  </Operation>
+</Patch>
\ No newline at end of file
diff --git a/About/Manifest.xml b/About/Manifest.xml
index 31866b8..f70f02b 100644
--- a/About/Manifest.xml
+++ b/About/Manifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <Manifest>
 	<identifier>RimJobWorld STD</identifier>
-	<version>1.0.1</version>
+	<version>1.0.2</version>
 	<dependencies>
 		<li>RimJobWorld</li>
 	</dependencies>