diff --git a/pkgs/development/tools/misc/dart-sass/default.nix b/pkgs/development/tools/misc/dart-sass/default.nix
index e4c9f9f63747..cfd31c63ddef 100644
--- a/pkgs/development/tools/misc/dart-sass/default.nix
+++ b/pkgs/development/tools/misc/dart-sass/default.nix
@@ -10,24 +10,24 @@
 }:
 
 let
-  embedded-protocol-version = "2.5.0";
+  embedded-protocol-version = "2.6.0";
 
   embedded-protocol = fetchFromGitHub {
     owner = "sass";
     repo = "sass";
     rev = "refs/tags/embedded-protocol-${embedded-protocol-version}";
-    hash = "sha256-ue2yv6jy0J8207Nhc5i8jnBWlNeYmGqexS2f3LDwg18=";
+    hash = "sha256-pNQnbOKVxRW9AiPteuO2Gq6ejV5Yd9GTuxZSyC/0SlE=";
   };
 in
 buildDartApplication rec {
   pname = "dart-sass";
-  version = "1.72.0";
+  version = "1.74.1";
 
   src = fetchFromGitHub {
     owner = "sass";
     repo = pname;
     rev = version;
-    hash = "sha256-wDZz7tR3AfUoRD0JXetXOH73W2WDFnwV4vUHRPGxiDc=";
+    hash = "sha256-5S+z8ig1t4d3QdIitTkbLNFLLeqbN9zj9QfziAGsVOw=";
   };
 
   pubspecLock = lib.importJSON ./pubspec.lock.json;
diff --git a/pkgs/development/tools/misc/dart-sass/pubspec.lock.json b/pkgs/development/tools/misc/dart-sass/pubspec.lock.json
index 632630aec9f8..32d462feccda 100644
--- a/pkgs/development/tools/misc/dart-sass/pubspec.lock.json
+++ b/pkgs/development/tools/misc/dart-sass/pubspec.lock.json
@@ -164,11 +164,11 @@
       "dependency": "transitive",
       "description": {
         "name": "dart_mappable",
-        "sha256": "f9f272f2af6c11adf4abc22574eb946df110251052a0d00c03519ecf2442defc",
+        "sha256": "47269caf2060533c29b823ff7fa9706502355ffcb61e7f2a374e3a0fb2f2c3f0",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "4.2.1"
+      "version": "4.2.2"
     },
     "dart_style": {
       "dependency": "direct dev",
@@ -184,11 +184,11 @@
       "dependency": "direct dev",
       "description": {
         "name": "dartdoc",
-        "sha256": "09c07e4b5313a301f8a6fe5a3b43d2dd7fd2b0817d51d563f7dcacdac62ecf68",
+        "sha256": "76de402781a647e55f356f1ae4446a400a573421f84c95da13dda4754cdbcceb",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "8.0.7"
+      "version": "8.0.8"
     },
     "ffi": {
       "dependency": "transitive",
@@ -224,11 +224,11 @@
       "dependency": "transitive",
       "description": {
         "name": "frontend_server_client",
-        "sha256": "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612",
+        "sha256": "f64a0333a82f30b0cca061bc3d143813a486dc086b574bfb233b7c1372427694",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "3.2.0"
+      "version": "4.0.0"
     },
     "glob": {
       "dependency": "transitive",
@@ -364,11 +364,11 @@
       "dependency": "direct main",
       "description": {
         "name": "meta",
-        "sha256": "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136",
+        "sha256": "25dfcaf170a0190f47ca6355bdd4552cb8924b430512ff0cafb8db9bd41fe33b",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.12.0"
+      "version": "1.14.0"
     },
     "mime": {
       "dependency": "transitive",
@@ -464,11 +464,11 @@
       "dependency": "transitive",
       "description": {
         "name": "pointycastle",
-        "sha256": "43ac87de6e10afabc85c445745a7b799e04de84cebaa4fd7bf55a5e1e9604d29",
+        "sha256": "70fe966348fe08c34bf929582f1d8247d9d9408130723206472b4687227e4333",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "3.7.4"
+      "version": "3.8.0"
     },
     "pool": {
       "dependency": "direct main",
@@ -734,11 +734,11 @@
       "dependency": "transitive",
       "description": {
         "name": "type_plus",
-        "sha256": "2e33cfac2e129297d5874567bdf7587502ec359881e9318551e014d91b02f84a",
+        "sha256": "d5d1019471f0d38b91603adb9b5fd4ce7ab903c879d2fbf1a3f80a630a03fcc9",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "2.1.0"
+      "version": "2.1.1"
     },
     "typed_data": {
       "dependency": "direct main",
@@ -764,11 +764,11 @@
       "dependency": "transitive",
       "description": {
         "name": "vm_service",
-        "sha256": "e7d5ecd604e499358c5fe35ee828c0298a320d54455e791e9dcf73486bc8d9f0",
+        "sha256": "a75f83f14ad81d5fe4b3319710b90dec37da0e22612326b696c9e1b8f34bbf48",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "14.1.0"
+      "version": "14.2.0"
     },
     "watcher": {
       "dependency": "direct main",