diff --git a/pkgs/development/compilers/dart/sources.nix b/pkgs/development/compilers/dart/sources.nix
index 40e25d358477..bc931e65f4da 100644
--- a/pkgs/development/compilers/dart/sources.nix
+++ b/pkgs/development/compilers/dart/sources.nix
@@ -1,24 +1,24 @@
-let version = "2.19.3"; in
-{  fetchurl }: {
+let version = "2.19.6"; in
+{ fetchurl }: {
   versionUsed = version;
   "${version}-x86_64-darwin" = fetchurl {
     url = "https://storage.googleapis.com/dart-archive/channels/stable/release/${version}/sdk/dartsdk-macos-x64-release.zip";
-    sha256 = "193hf56j7bws8bzqxxzz2sgbn2d80g5s8vp8ihi22cm3mmppfi4v";
+    sha256 = "1nlmzappjk1f85iajlvqkvkqfd8ka7svsmglbh57ivvssvb6d6lr";
   };
   "${version}-aarch64-darwin" = fetchurl {
     url = "https://storage.googleapis.com/dart-archive/channels/stable/release/${version}/sdk/dartsdk-macos-arm64-release.zip";
-    sha256 = "0b30l8kfcsl1j6w2vbq08p0v4h4gca013l5fpznjqq0midxhybnw";
+    sha256 = "1dpd8czllsxqly7hrcazp8g9b5zj6ibs93l5qyykijjbyjv58srw";
   };
   "${version}-aarch64-linux" = fetchurl {
     url = "https://storage.googleapis.com/dart-archive/channels/stable/release/${version}/sdk/dartsdk-linux-arm64-release.zip";
-    sha256 = "0qyi7ppsf4rmzx1qgx3qbn4k7bgbncxjql6a9f2b1aj6l6lllvmg";
+    sha256 = "170bzz4505fffz4lbaxif9ryaw8pl8ylgkbjsd0w32xpng0bf4v9";
   };
   "${version}-x86_64-linux" = fetchurl {
     url = "https://storage.googleapis.com/dart-archive/channels/stable/release/${version}/sdk/dartsdk-linux-x64-release.zip";
-    sha256 = "0iq7mdwpsnykk3j2bsgmazg30m4qg7i2lpv1ygbhy2lbhrkdpdck";
+    sha256 = "0kvhvwd2q8s7mnjgvhl6gr3y73agcd0y79sm844xd8ybd9gg5pqg";
   };
   "${version}-i686-linux" = fetchurl {
     url = "https://storage.googleapis.com/dart-archive/channels/stable/release/${version}/sdk/dartsdk-linux-ia32-release.zip";
-    sha256 = "0xksis14ff6bzjvycgxgldg96n88rh42adjyrrhcay2s183vh480";
+    sha256 = "02iyzdz9grm3rc2dg7l1clww6n5n4kncv0gg6mlkgvmhk4hn9w1r";
   };
 }