diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c6324ea8c..0d5a2faea2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+<a name="9.1.0-rc.4"></a>
+# [9.1.0-rc.4](https://github.com/akveo/nebular/compare/v9.1.0-rc.3...v9.1.0-rc.4) (2022-09-09)
+
+
+### Features
+
+* **input:** add more input color options ([#3108](https://github.com/akveo/nebular/issues/3108)) ([54da714](https://github.com/akveo/nebular/commit/54da714))
+
+
+
 <a name="9.1.0-rc.3"></a>
 # [9.1.0-rc.3](https://github.com/akveo/nebular/compare/v9.1.0-rc.2...v9.1.0-rc.3) (2022-09-08)
 
diff --git a/package-lock.json b/package-lock.json
index 29d5de0fcd..cccc705576 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "nebular",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "nebular",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 3e47c3335b..bd62ae3f89 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nebular",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "license": "MIT",
   "author": "akveo <contact@akveo.com>",
   "private": true,
diff --git a/packages-smoke/package-lock.json b/packages-smoke/package-lock.json
index 1a48c450f4..b5b42b85d5 100644
--- a/packages-smoke/package-lock.json
+++ b/packages-smoke/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "packages-smoke",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "packages-smoke",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "dependencies": {
         "@angular/animations": "~13.0.0",
         "@angular/cdk": "~13.0.0",
@@ -65,7 +65,7 @@
     },
     ".lib/auth": {
       "name": "@nebular/auth",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.3.0"
@@ -75,49 +75,49 @@
         "@angular/core": "^13.0.0",
         "@angular/forms": "^13.0.0",
         "@angular/router": "^13.0.0",
-        "@nebular/theme": "9.1.0-rc.3",
+        "@nebular/theme": "9.1.0-rc.4",
         "rxjs": "^6.5.3 || ^7.4.0"
       }
     },
     ".lib/date-fns": {
       "name": "@nebular/date-fns",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.3.0"
       },
       "peerDependencies": {
-        "@nebular/theme": "9.1.0-rc.3",
+        "@nebular/theme": "9.1.0-rc.4",
         "date-fns": "2"
       }
     },
     ".lib/eva-icons": {
       "name": "@nebular/eva-icons",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.3.0"
       },
       "peerDependencies": {
-        "@nebular/theme": "9.1.0-rc.3",
+        "@nebular/theme": "9.1.0-rc.4",
         "eva-icons": "^1.1.2"
       }
     },
     ".lib/moment": {
       "name": "@nebular/moment",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.3.0"
       },
       "peerDependencies": {
-        "@nebular/theme": "9.1.0-rc.3",
+        "@nebular/theme": "9.1.0-rc.4",
         "moment": "^2.22.2"
       }
     },
     ".lib/security": {
       "name": "@nebular/security",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.3.0"
@@ -131,7 +131,7 @@
     },
     ".lib/theme": {
       "name": "@nebular/theme",
-      "version": "9.1.0-rc.3",
+      "version": "9.1.0-rc.4",
       "license": "MIT",
       "dependencies": {
         "tslib": "^2.3.0"
diff --git a/packages-smoke/package.json b/packages-smoke/package.json
index 44d4b2e620..921028719f 100644
--- a/packages-smoke/package.json
+++ b/packages-smoke/package.json
@@ -1,6 +1,6 @@
 {
   "name": "packages-smoke",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
diff --git a/src/framework/auth/package.json b/src/framework/auth/package.json
index 209fe047fd..9972fc6b21 100644
--- a/src/framework/auth/package.json
+++ b/src/framework/auth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/auth",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/auth",
   "author": "akveo",
   "license": "MIT",
@@ -28,7 +28,7 @@
     "@angular/core": "^13.0.0",
     "@angular/router": "^13.0.0",
     "@angular/forms": "^13.0.0",
-    "@nebular/theme": "9.1.0-rc.3",
+    "@nebular/theme": "9.1.0-rc.4",
     "rxjs": "^6.5.3 || ^7.4.0"
   },
   "dependencies": {
diff --git a/src/framework/bootstrap/package.json b/src/framework/bootstrap/package.json
index 10d58adfd6..f5ff68ec46 100644
--- a/src/framework/bootstrap/package.json
+++ b/src/framework/bootstrap/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/bootstrap",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/bootstrap",
   "author": "akveo",
   "license": "MIT",
@@ -22,7 +22,7 @@
   ],
   "peerDependencies": {
     "bootstrap": "^4.0.0",
-    "@nebular/theme": "9.1.0-rc.3"
+    "@nebular/theme": "9.1.0-rc.4"
   },
   "exports": {
     "./styles/prebuilt/corporate.css": {
diff --git a/src/framework/date-fns/package.json b/src/framework/date-fns/package.json
index d4cc38364c..a9345c364c 100644
--- a/src/framework/date-fns/package.json
+++ b/src/framework/date-fns/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/date-fns",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/date-fns",
   "author": "akveo",
   "license": "MIT",
@@ -21,7 +21,7 @@
     "nebular"
   ],
   "peerDependencies": {
-    "@nebular/theme": "9.1.0-rc.3",
+    "@nebular/theme": "9.1.0-rc.4",
     "date-fns": "2"
   },
   "dependencies": {
diff --git a/src/framework/eva-icons/package.json b/src/framework/eva-icons/package.json
index c9d19a22db..fb2d689e4a 100644
--- a/src/framework/eva-icons/package.json
+++ b/src/framework/eva-icons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/eva-icons",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/eva-icons",
   "author": "akveo",
   "license": "MIT",
@@ -23,7 +23,7 @@
     "eva-icons"
   ],
   "peerDependencies": {
-    "@nebular/theme": "9.1.0-rc.3",
+    "@nebular/theme": "9.1.0-rc.4",
     "eva-icons": "^1.1.2"
   },
   "dependencies": {
diff --git a/src/framework/firebase-auth/package.json b/src/framework/firebase-auth/package.json
index 6ff9a808be..760a3056d9 100644
--- a/src/framework/firebase-auth/package.json
+++ b/src/framework/firebase-auth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/firebase-auth",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/firebase-auth",
   "author": "akveo",
   "license": "MIT",
@@ -26,7 +26,7 @@
   ],
   "peerDependencies": {
     "@angular/core": "^13.0.0",
-    "@nebular/auth": "9.1.0-rc.3",
+    "@nebular/auth": "9.1.0-rc.4",
     "rxjs": "^6.5.3 || ^7.4.0",
     "firebase": "^9.4.0",
     "@angular/fire": "^7.2.0"
diff --git a/src/framework/moment/package.json b/src/framework/moment/package.json
index 758f3fd3eb..686a543dbb 100644
--- a/src/framework/moment/package.json
+++ b/src/framework/moment/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/moment",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/moment",
   "author": "akveo",
   "license": "MIT",
@@ -21,7 +21,7 @@
     "nebular"
   ],
   "peerDependencies": {
-    "@nebular/theme": "9.1.0-rc.3",
+    "@nebular/theme": "9.1.0-rc.4",
     "moment": "^2.22.2"
   },
   "dependencies": {
diff --git a/src/framework/security/package.json b/src/framework/security/package.json
index 7cbf4e04bf..78b0270fe0 100644
--- a/src/framework/security/package.json
+++ b/src/framework/security/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/security",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/security",
   "author": "akveo",
   "license": "MIT",
diff --git a/src/framework/theme/package.json b/src/framework/theme/package.json
index 68c3b1c0a7..3167b9fa18 100644
--- a/src/framework/theme/package.json
+++ b/src/framework/theme/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nebular/theme",
-  "version": "9.1.0-rc.3",
+  "version": "9.1.0-rc.4",
   "description": "@nebular/theme",
   "author": "akveo",
   "license": "MIT",