diff --git a/specs/nifi/template/README.md b/specs/nifi/template/README.md
index 3a747c6..af323dd 100644
--- a/specs/nifi/template/README.md
+++ b/specs/nifi/template/README.md
@@ -1,7 +1,7 @@
 # NiFi Dev Shell
 
 This is a small flake template for experimenting with [Apache NiFi](https://nifi.apache.org/)
-(version 1.19.0). [direnv](https://direnv.net/) can be used to a launch a dev
+(version 1.24.0). [direnv](https://direnv.net/) can be used to a launch a dev
 shell upon entering this directory (refer to `.envrc`). Otherwise run via:
 ```bash
 $ nix develop
@@ -13,7 +13,7 @@ can then be used to boot NiFi. Do so by running:
 ```bash
 $ nix build
 $ docker load < result
-$ docker run -p 8443:8443 nifi:1.19.0
+$ docker run -p 8443:8443 nifi:1.24.0
 ```
 Once running, open `https://localhost:8443/nifi` (notice use of the `https`
 scheme). You can find your login credentials using:
diff --git a/specs/nifi/template/flake.nix b/specs/nifi/template/flake.nix
index d02fe7d..f3e16eb 100644
--- a/specs/nifi/template/flake.nix
+++ b/specs/nifi/template/flake.nix
@@ -15,14 +15,11 @@
       {
         packages = {
           image = pkgs.dockerTools.pullImage {
+            finalImageName = "apache/nifi";
+            finalImageTag = "1.24.0";
             imageName = "apache/nifi";
-            imageDigest = "sha256:8819e20e3e02484fe765790b28b4a5e8c043f50c341a1778956073149774ebd1";
-            finalImageName = "nifi";
-            finalImageTag = "1.19.0";
-            # docker save image -o <output>
-            # nix hash --base64 --type sha256 <output>
-            sha256 = "sha256-BmRUHDhRpRief5oxjlxYgnBn9oPmiXKs2ojyV3sm4M0=";
-            # docker manifest inspect apache/nifi:1.19.0
+            imageDigest = "sha256:dd6fcf708a63d7a43b1e0b1224d3cf754235a7f4e66945119fb2aa6be8d6ee2d";
+            sha256 = "sha256-l4beU3yEDGFDXCauIPN7nwhTrKf0rZRGcpKvH+a9lo0=";
             os = "linux";
             arch = "amd64";
           };
@@ -31,7 +28,6 @@
         };
 
         devShells.default = pkgs.mkShell {
-          # docker run -p 8443:8443 nifi:1.19.0
           packages = [ pkgs.docker ];
         };
       });