diff --git a/script/build.sc b/script/build.sc
index 9757f70f6..bc5caae4e 100644
--- a/script/build.sc
+++ b/script/build.sc
@@ -9,7 +9,7 @@ import mill.scalalib.scalafmt._
 object v {
   val scala3 = "3.3.3"
   val mainargs = ivy"com.lihaoyi::mainargs:0.5.0"
-  val oslib = ivy"com.lihaoyi::os-lib:0.9.1"
+  val oslib = ivy"com.lihaoyi::os-lib:0.10.0"
   val upickle = ivy"com.lihaoyi::upickle:3.1.3"
 }
 
diff --git a/script/default.nix b/script/default.nix
index 848adfe67..9aa9da358 100644
--- a/script/default.nix
+++ b/script/default.nix
@@ -27,7 +27,7 @@ let
           ./build.sc
         ];
       };
-      millDepsHash = "sha256-/0wAHQnMG9Zxwkpb1ZDobYDzJe4tN+/rJvHZFytV4lg=";
+      millDepsHash = "sha256-J8bBgM/F+8x8EQ1DR6Va/ZY2hnsjkkzk4a+ctDMKK3k=";
     };
 
     passthru.dev = self.overrideAttrs (old: {