diff --git a/flake.lock b/flake.lock
index a6e3bad6..da8afc9c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1731676054,
-        "narHash": "sha256-OZiZ3m8SCMfh3B6bfGC/Bm4x3qc1m2SVEAlkV6iY7Yg=",
+        "lastModified": 1739214665,
+        "narHash": "sha256-26L8VAu3/1YRxS8MHgBOyOM8xALdo6N0I04PgorE7UM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "5e4fbfb6b3de1aa2872b76d49fafc942626e2add",
+        "rev": "64e75cd44acf21c7933d61d7721e812eac1b5a0a",
         "type": "github"
       },
       "original": {
@@ -36,11 +36,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1728538411,
-        "narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
+        "lastModified": 1736320768,
+        "narHash": "sha256-nIYdTAiKIGnFNugbomgBJR+Xv5F1ZQU+HfaBqJKroC0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
+        "rev": "4bc9c909d9ac828a039f288cf872d16d38185db8",
         "type": "github"
       },
       "original": {
@@ -62,11 +62,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1732069891,
-        "narHash": "sha256-moKx8AVJrViCSdA0e0nSsG8b1dAsObI4sRAtbqbvBY8=",
+        "lastModified": 1739327257,
+        "narHash": "sha256-rlGK8wxz/e50Z+PQRzuP+m03IrGkhcPGmgkBnkEZ9C8=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "8509a51241c407d583b1963d5079585a992506e8",
+        "rev": "e01f2c035b7b8a428c119b183f4cbc55f2eef07c",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 763a5d0c..db06e441 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,6 +39,9 @@
         src = pkgs.lib.cleanSourceWith {src = self;};
 
         cargoLock.lockFile = ./Cargo.lock;
+        cargoLock.outputHashes = {
+          "textplots-0.9.6" = "sha256-Bx3zFEOnvqT7ZVfO5T8ii5u+3cPBeQTmw0F6CHQimao=";
+        };
 
         GIT_COMMIT_HASH_SHORT = self.shortRev or "unknown";
         postPatch = ''