diff --git a/packages/react-core/package.json b/packages/react-core/package.json
index c8ef8c2db0c..b574b1b6c06 100644
--- a/packages/react-core/package.json
+++ b/packages/react-core/package.json
@@ -54,7 +54,7 @@
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@patternfly/patternfly": "6.5.0-prerelease.43",
+    "@patternfly/patternfly": "6.5.0-prerelease.55",
     "case-anything": "^3.1.2",
     "css": "^3.0.0",
     "fs-extra": "^11.3.3"
diff --git a/packages/react-core/src/components/Drawer/DrawerPanelContent.tsx b/packages/react-core/src/components/Drawer/DrawerPanelContent.tsx
index 9cafec596dc..7adbead74a9 100644
--- a/packages/react-core/src/components/Drawer/DrawerPanelContent.tsx
+++ b/packages/react-core/src/components/Drawer/DrawerPanelContent.tsx
@@ -369,7 +369,7 @@ export const DrawerPanelContent: React.FunctionComponent<DrawerPanelContentProps
             className={css(
               styles.drawerPanel,
               isResizable && styles.modifiers.resizable,
-              hasNoGlass && styles.modifiers.noGlass,
+              hasNoGlass && 'pf-m-no-glass',
               hasNoBorder && styles.modifiers.noBorder,
               formatBreakpointMods(widths, styles),
               colorVariant === DrawerColorVariant.noBackground && styles.modifiers.noBackground,
diff --git a/packages/react-core/src/components/Drawer/__tests__/DrawerPanelContent.test.tsx b/packages/react-core/src/components/Drawer/__tests__/DrawerPanelContent.test.tsx
index d0f53937dfa..f14c3b43d27 100644
--- a/packages/react-core/src/components/Drawer/__tests__/DrawerPanelContent.test.tsx
+++ b/packages/react-core/src/components/Drawer/__tests__/DrawerPanelContent.test.tsx
@@ -179,12 +179,12 @@ test('Style prop overrides boundaryCssVars', () => {
   });
 });
 
-test(`Renders with class ${styles.modifiers.noGlass} when hasNoGlass is true`, () => {
+test(`Renders with class 'pf-m-no-glass' when hasNoGlass is true`, () => {
   render(
     <Drawer isExpanded isPill>
       <DrawerPanelContent hasNoGlass>Drawer panel content</DrawerPanelContent>
     </Drawer>
   );
 
-  expect(screen.getByText('Drawer panel content')).toHaveClass(styles.modifiers.noGlass);
+  expect(screen.getByText('Drawer panel content')).toHaveClass('pf-m-no-glass');
 });
diff --git a/packages/react-docs/package.json b/packages/react-docs/package.json
index 705a0dd9ec0..b50a6618647 100644
--- a/packages/react-docs/package.json
+++ b/packages/react-docs/package.json
@@ -23,7 +23,7 @@
     "test:a11y": "patternfly-a11y --config patternfly-a11y.config"
   },
   "dependencies": {
-    "@patternfly/patternfly": "6.5.0-prerelease.43",
+    "@patternfly/patternfly": "6.5.0-prerelease.55",
     "@patternfly/react-charts": "workspace:^",
     "@patternfly/react-code-editor": "workspace:^",
     "@patternfly/react-core": "workspace:^",
diff --git a/packages/react-icons/package.json b/packages/react-icons/package.json
index b9dc1ba6d04..9433328e36d 100644
--- a/packages/react-icons/package.json
+++ b/packages/react-icons/package.json
@@ -35,7 +35,7 @@
     "@fortawesome/free-brands-svg-icons": "^5.15.4",
     "@fortawesome/free-regular-svg-icons": "^5.15.4",
     "@fortawesome/free-solid-svg-icons": "^5.15.4",
-    "@patternfly/patternfly": "6.5.0-prerelease.43",
+    "@patternfly/patternfly": "6.5.0-prerelease.55",
     "@rhds/icons": "^2.1.0",
     "fs-extra": "^11.3.3",
     "tslib": "^2.8.1"
diff --git a/packages/react-styles/package.json b/packages/react-styles/package.json
index 8157bc7963c..24d0e452d13 100644
--- a/packages/react-styles/package.json
+++ b/packages/react-styles/package.json
@@ -19,7 +19,7 @@
     "clean": "rimraf dist css"
   },
   "devDependencies": {
-    "@patternfly/patternfly": "6.5.0-prerelease.43",
+    "@patternfly/patternfly": "6.5.0-prerelease.55",
     "change-case": "^5.4.4",
     "fs-extra": "^11.3.3"
   },
diff --git a/packages/react-tokens/package.json b/packages/react-tokens/package.json
index 8ab3fd9b7e0..501e37fec97 100644
--- a/packages/react-tokens/package.json
+++ b/packages/react-tokens/package.json
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@adobe/css-tools": "^4.4.4",
-    "@patternfly/patternfly": "6.5.0-prerelease.43",
+    "@patternfly/patternfly": "6.5.0-prerelease.55",
     "fs-extra": "^11.3.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 62fcb01a006..d63a624fc8a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5079,10 +5079,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@patternfly/patternfly@npm:6.5.0-prerelease.43":
-  version: 6.5.0-prerelease.43
-  resolution: "@patternfly/patternfly@npm:6.5.0-prerelease.43"
-  checksum: 10c0/30e65446e28f3723b12286076995947ea2e232757efddec0f3a11424e80ea1b0b1f56367287ec247fd1899728e4f44eee173308d243c442746a23330d4829c08
+"@patternfly/patternfly@npm:6.5.0-prerelease.55":
+  version: 6.5.0-prerelease.55
+  resolution: "@patternfly/patternfly@npm:6.5.0-prerelease.55"
+  checksum: 10c0/02921ae29db7ac07ec977589b5233397536831d818372289f040685835031562bff398f9e5cd594210bfc6d216dbbf22a9d70a454a5d044bb99e53e186651f1e
   languageName: node
   linkType: hard
 
@@ -5180,7 +5180,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@patternfly/react-core@workspace:packages/react-core"
   dependencies:
-    "@patternfly/patternfly": "npm:6.5.0-prerelease.43"
+    "@patternfly/patternfly": "npm:6.5.0-prerelease.55"
     "@patternfly/react-icons": "workspace:^"
     "@patternfly/react-styles": "workspace:^"
     "@patternfly/react-tokens": "workspace:^"
@@ -5201,7 +5201,7 @@ __metadata:
   resolution: "@patternfly/react-docs@workspace:packages/react-docs"
   dependencies:
     "@patternfly/documentation-framework": "npm:^6.36.7"
-    "@patternfly/patternfly": "npm:6.5.0-prerelease.43"
+    "@patternfly/patternfly": "npm:6.5.0-prerelease.55"
     "@patternfly/patternfly-a11y": "npm:5.1.0"
     "@patternfly/react-charts": "workspace:^"
     "@patternfly/react-code-editor": "workspace:^"
@@ -5241,7 +5241,7 @@ __metadata:
     "@fortawesome/free-brands-svg-icons": "npm:^5.15.4"
     "@fortawesome/free-regular-svg-icons": "npm:^5.15.4"
     "@fortawesome/free-solid-svg-icons": "npm:^5.15.4"
-    "@patternfly/patternfly": "npm:6.5.0-prerelease.43"
+    "@patternfly/patternfly": "npm:6.5.0-prerelease.55"
     "@rhds/icons": "npm:^2.1.0"
     fs-extra: "npm:^11.3.3"
     tslib: "npm:^2.8.1"
@@ -5328,7 +5328,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@patternfly/react-styles@workspace:packages/react-styles"
   dependencies:
-    "@patternfly/patternfly": "npm:6.5.0-prerelease.43"
+    "@patternfly/patternfly": "npm:6.5.0-prerelease.55"
     change-case: "npm:^5.4.4"
     fs-extra: "npm:^11.3.3"
   languageName: unknown
@@ -5370,7 +5370,7 @@ __metadata:
   resolution: "@patternfly/react-tokens@workspace:packages/react-tokens"
   dependencies:
     "@adobe/css-tools": "npm:^4.4.4"
-    "@patternfly/patternfly": "npm:6.5.0-prerelease.43"
+    "@patternfly/patternfly": "npm:6.5.0-prerelease.55"
     fs-extra: "npm:^11.3.3"
   languageName: unknown
   linkType: soft