diff --git a/.gitignore b/.gitignore
index 047dea4..ae730b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /emacs-dockerfile-mode-1.6.tar.gz
 /emacs-dockerfile-mode-1.7.tar.gz
 /emacs-dockerfile-mode-1.8.tar.gz
+/emacs-dockerfile-mode-1.9.tar.gz
diff --git a/dockerfile-mode-init.el b/dockerfile-mode-init.el
index f10a929..126ba24 100644
--- a/dockerfile-mode-init.el
+++ b/dockerfile-mode-init.el
@@ -1,23 +1,35 @@
 (autoload 'dockerfile-build-buffer "dockerfile-mode" "\
 Build an image called IMAGE-NAME based upon the buffer.
 
-If prefix arg NO-CACHE is set, don't cache the image.
-The build string will be of the format:
-`sudo docker build --no-cache --force-rm --pull --force-rm --tag IMAGE-NAME --build-args arg1.. --progress PROGRESS_TYPE -f filename directory`
+If the prefix arg NO-CACHE is set, don't cache the image.
 
-\(fn IMAGE-NAME &optional NO-CACHE)" t nil)
+The shell command used to build the image is:
+
+    sudo docker build    \\
+      --no-cache         \\
+      --force-rm         \\
+      --pull             \\
+      --tag IMAGE-NAME   \\
+      --build-args args  \\
+      --progress type    \\
+      -f filename        \\
+      directory
+
+\(fn IMAGE-NAME &optional NO-CACHE)" t)
 
 (autoload 'dockerfile-build-no-cache-buffer "dockerfile-mode" "\
 Build an image called IMAGE-NAME based upon the buffer without cache.
 
-\(fn IMAGE-NAME)" t nil)
+\(fn IMAGE-NAME)" t)
 
 (autoload 'dockerfile-mode "dockerfile-mode" "\
 A major mode to edit Dockerfiles.
 \\{dockerfile-mode-map}
 
-\(fn)" t nil)
+\(fn)" t)
 
-(add-to-list 'auto-mode-alist '("/Dockerfile\\(?:\\.[^/\\]*\\)?\\'" . dockerfile-mode))
+(add-to-list 'auto-mode-alist (cons (concat "[/\\]" "\\(?:Containerfile\\|Dockerfile\\)" "\\(?:\\.[^/\\]*\\)?\\'") 'dockerfile-mode))
 
 (add-to-list 'auto-mode-alist '("\\.dockerfile\\'" . dockerfile-mode))
+
+(register-definition-prefixes "dockerfile-mode" '("dockerfile-"))
diff --git a/emacs-dockerfile-mode.spec b/emacs-dockerfile-mode.spec
index 2e62b49..88276a6 100644
--- a/emacs-dockerfile-mode.spec
+++ b/emacs-dockerfile-mode.spec
@@ -1,11 +1,11 @@
 %global pkg dockerfile-mode
 
 Name:           emacs-%{pkg}
-Version:        1.8
-Release:        2%{?dist}
+Version:        1.9
+Release:        1%{?dist}
 Summary:        An emacs mode for handling Dockerfiles
 
-License:        ASL 2.0
+License:        Apache-2.0
 URL:            https://github.com/spotify/%{pkg}
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
 Source1:        %{pkg}-init.el
@@ -45,6 +45,10 @@ install -Dpm 0644 %{SOURCE1} $RPM_BUILD_ROOT%{_emacs_sitestartdir}/%{pkg}-init.e
 
 
 %changelog
+* Sat Mar 02 2024 Mohamed El Morabity <melmorabity@fedoraproject.org> - 1.9-1
+- Update to 1.9
+- Migrate to SPDX license
+
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.8-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
 
diff --git a/sources b/sources
index 5bd0ebd..a7d10b2 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (emacs-dockerfile-mode-1.8.tar.gz) = 8bae08037813730b93919135fe727a6506bfb0decdc385b22afe41d7f1df750d3f0cc508453faa7b0e90d347584f805acca54bbf7da6cae2cf3108ff1047fd58
+SHA512 (emacs-dockerfile-mode-1.9.tar.gz) = fdf37d15b0ee7608aa1580850ec0475a02cc3357ac1c262934063bd6efc0ab00fd3ef2b11389f221994fb3428def525f7d14e5da198bdd27b7f3f26fb0a94746