diff --git a/pkgs/development/tools/sentry-cli/default.nix b/pkgs/development/tools/sentry-cli/default.nix
index c962ea5b30de..be37733dfda3 100644
--- a/pkgs/development/tools/sentry-cli/default.nix
+++ b/pkgs/development/tools/sentry-cli/default.nix
@@ -1,6 +1,7 @@
 { rustPlatform
 , fetchFromGitHub
 , lib
+, installShellFiles
 , openssl
 , pkg-config
 , stdenv
@@ -24,10 +25,17 @@ rustPlatform.buildRustPackage rec {
   OPENSSL_NO_VENDOR = 1;
 
   buildInputs = [ openssl ] ++ lib.optionals stdenv.isDarwin [ CoreServices Security SystemConfiguration ];
-  nativeBuildInputs = [ pkg-config ];
+  nativeBuildInputs = [ installShellFiles pkg-config ];
 
   cargoHash = "sha256-MChhtWbwi5/1GMXxlKov8LrO+kp7D6u4u1lmEjZvyP8=";
 
+  postInstall = ''
+    installShellCompletion --cmd sentry-cli \
+        --bash <($out/bin/sentry-cli completions bash) \
+        --fish <($out/bin/sentry-cli completions fish) \
+        --zsh <($out/bin/sentry-cli completions zsh)
+  '';
+
   meta = with lib; {
     homepage = "https://docs.sentry.io/cli/";
     license = licenses.bsd3;