diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a157b4a..897e63c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to cmuxterm are documented here.
 
+## [1.22.0] - 2026-02-09
+
+### Fixed
+- Xcode and system environment variables (e.g. DYLD, LANGUAGE) leaking into terminal sessions
+
 ## [1.21.0] - 2026-02-09
 
 ### Fixed
diff --git a/GhosttyTabs.xcodeproj/project.pbxproj b/GhosttyTabs.xcodeproj/project.pbxproj
index 55dc20ec..b4cf0cbb 100644
--- a/GhosttyTabs.xcodeproj/project.pbxproj
+++ b/GhosttyTabs.xcodeproj/project.pbxproj
@@ -538,7 +538,7 @@
 				CODE_SIGN_ENTITLEMENTS = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 32;
+				CURRENT_PROJECT_VERSION = 33;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = NO;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -554,7 +554,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 1.21.0;
+				MARKETING_VERSION = 1.22.0;
 				OTHER_LDFLAGS = (
 					"-lc++",
 					"-framework",
@@ -583,7 +583,7 @@
 				CODE_SIGN_ENTITLEMENTS = "";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 32;
+				CURRENT_PROJECT_VERSION = 33;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = NO;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -599,7 +599,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MARKETING_VERSION = 1.21.0;
+				MARKETING_VERSION = 1.22.0;
 				OTHER_LDFLAGS = (
 					"-lc++",
 					"-framework",
@@ -652,10 +652,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 32;
+				CURRENT_PROJECT_VERSION = 33;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 13.0;
-				MARKETING_VERSION = 1.21.0;
+				MARKETING_VERSION = 1.22.0;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.appuitests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -669,10 +669,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 32;
+				CURRENT_PROJECT_VERSION = 33;
 				GENERATE_INFOPLIST_FILE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 13.0;
-				MARKETING_VERSION = 1.21.0;
+				MARKETING_VERSION = 1.22.0;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.cmuxterm.appuitests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
diff --git a/docs-site/content/docs/changelog.mdx b/docs-site/content/docs/changelog.mdx
index ab14cf0b..29d21dde 100644
--- a/docs-site/content/docs/changelog.mdx
+++ b/docs-site/content/docs/changelog.mdx
@@ -5,6 +5,11 @@ description: Release notes and version history for cmuxterm
 
 All notable changes to cmuxterm are documented here.
 
+## [1.22.0] - 2026-02-09
+
+### Fixed
+- Xcode and system environment variables (e.g. DYLD, LANGUAGE) leaking into terminal sessions
+
 ## [1.21.0] - 2026-02-09
 
 ### Fixed