diff --git a/pkgs/by-name/sp/speedscope/fix-shebang.patch b/pkgs/by-name/sp/speedscope/fix-shebang.patch
new file mode 100644
index 000000000000..690b67429efd
--- /dev/null
+++ b/pkgs/by-name/sp/speedscope/fix-shebang.patch
@@ -0,0 +1,13 @@
+diff --git a/scripts/prepack.sh b/scripts/prepack.sh
+index 2172706..1f8f152 100755
+--- a/scripts/prepack.sh
++++ b/scripts/prepack.sh
+@@ -41,7 +41,7 @@ mkdir -p "$OUTDIR"
+ # Place info about the current commit into the build dir to easily identify releases
+ npm ls -depth -1 | head -n 1 | cut -d' ' -f 1 > "$OUTDIR"/release.txt
+ date >> "$OUTDIR"/release.txt
+-git rev-parse HEAD >> "$OUTDIR"/release.txt
++cp COMMIT "$OUTDIR"/release.txt
+ 
+ # Place a json schema for the file format into the build directory too
+ node scripts/generate-file-format-schema-json.js > "$OUTDIR"/file-format-schema.json
diff --git a/pkgs/by-name/sp/speedscope/package.nix b/pkgs/by-name/sp/speedscope/package.nix
new file mode 100644
index 000000000000..114bf98add0c
--- /dev/null
+++ b/pkgs/by-name/sp/speedscope/package.nix
@@ -0,0 +1,58 @@
+{
+  lib,
+  buildNpmPackage,
+  fetchFromGitHub,
+  versionCheckHook,
+}:
+
+buildNpmPackage rec {
+  pname = "speedscope";
+  version = "1.22.2";
+
+  src = fetchFromGitHub {
+    owner = "jlfwong";
+    repo = "speedscope";
+    tag = "v${version}";
+    hash = "sha256-JzlS5onVac1UKJUl1YYE7a3oWk2crMyuowea8a7UoOo=";
+
+    # scripts/prepack.sh wants to extract the git commit from .git
+    # We don't want to keep .git for reproducibility reasons, so save the commit
+    # to a file and patch the script.
+    leaveDotGit = true;
+    postFetch = ''
+      ( cd $out; git rev-parse HEAD > COMMIT )
+      rm -rf $out/.git
+    '';
+  };
+
+  npmDepsHash = "sha256-3LCixJJyz3O6xQxP0A/WyQXsDvkXpdo7KYNDoufZVS4=";
+
+  patches = [
+    ./fix-shebang.patch
+  ];
+
+  postConfigure = ''
+    patchShebangs scripts
+  '';
+
+  dontNpmBuild = true;
+
+  postFixup = ''
+    # Remove some dangling symlinks
+    rm $out/lib/node_modules/speedscope/node_modules/.bin/sshpk*
+  '';
+
+  nativeInstallCheckInputs = [
+    versionCheckHook
+  ];
+  doInstallCheck = true;
+
+  meta = {
+    description = "Fast and interactive web-based viewer for performance profiles";
+    homepage = "https://github.com/jlfwong/speedscope";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.linux;
+    mainProgram = "speedscope";
+    maintainers = with lib.maintainers; [ thomasjm ];
+  };
+}