diff --git a/flake.nix b/flake.nix
index b04306a..0c63a72 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,7 +15,7 @@
         "aarch64-darwin"
       ];
       forAllSystems = nixpkgs.lib.genAttrs systems;
-      version = "0.3.0";
+      version = "0.4.0";
       vendorHash = "sha256-PVYZxiwxgHMXd2BL+YpdWt4tTLeHVOIPiJVism2Xoz0=";
       packagesFor =
         system:
diff --git a/nix/packages.nix b/nix/packages.nix
index 6f0c5bf..460acfd 100644
--- a/nix/packages.nix
+++ b/nix/packages.nix
@@ -60,8 +60,8 @@ let
 
   # Linux release asset hashes for v${version} (from SHA256SUMS → SRI).
   binHashes = {
-    x86_64-linux = "sha256-gdNeW4S3egk3HKdDuzFdF3ZL3+1KbRmE3iTrb7T1rBg=";
-    aarch64-linux = "sha256-YL3om64c0WFvdtpJkz8bWSckdZ9wnJKQ4APwhJRxmUY=";
+    x86_64-linux = "sha256-1/fUXLdQUJi2VGvRHxdrY1WrNk158yKTtdx+w+jkI1A=";
+    aarch64-linux = "sha256-SjymIhXi28+BtodsxGngLLJ5cRFOWaGpJnnMzf8x7Bo=";
   };
 
   goarchFor = system: {
diff --git a/packaging/aur/appicon-bin/.SRCINFO b/packaging/aur/appicon-bin/.SRCINFO
index 93ceba4..659cc3b 100644
--- a/packaging/aur/appicon-bin/.SRCINFO
+++ b/packaging/aur/appicon-bin/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = appicon-bin
 	pkgdesc = Resolve desktop and brand icons to local file paths (prebuilt)
-	pkgver = 0.3.0
+	pkgver = 0.4.0
 	pkgrel = 1
 	url = https://github.com/bolens/appicon
 	arch = x86_64
@@ -13,9 +13,9 @@ pkgbase = appicon-bin
 	conflicts = appicon
 	conflicts = appicon-git
 	options = !strip
-	source_x86_64 = https://github.com/bolens/appicon/releases/download/v0.3.0/appicon_v0.3.0_linux_amd64.tar.gz
-	sha256sums_x86_64 = 81d35e5b84b77a09371ca743bb315d17764bdfed4a6d1984de24eb6fb4f5ac18
-	source_aarch64 = https://github.com/bolens/appicon/releases/download/v0.3.0/appicon_v0.3.0_linux_arm64.tar.gz
-	sha256sums_aarch64 = 60bde89bae1cd1616f76da49933f1b592724759f709c9290e003f08494719946
+	source_x86_64 = https://github.com/bolens/appicon/releases/download/v0.4.0/appicon_v0.4.0_linux_amd64.tar.gz
+	sha256sums_x86_64 = d7f7d45cb7505098b6546bd11f176b6355ab364d79f32293b5dc7ec3e8e42350
+	source_aarch64 = https://github.com/bolens/appicon/releases/download/v0.4.0/appicon_v0.4.0_linux_arm64.tar.gz
+	sha256sums_aarch64 = 4a3ca62215e2dbcf81b6876cc469e02cb27971114e59a1a92679cccdff31ec1a
 
 pkgname = appicon-bin
diff --git a/packaging/aur/appicon-bin/PKGBUILD b/packaging/aur/appicon-bin/PKGBUILD
index 3dc0aab..d812287 100644
--- a/packaging/aur/appicon-bin/PKGBUILD
+++ b/packaging/aur/appicon-bin/PKGBUILD
@@ -3,7 +3,7 @@
 # Update pkgver + sha256sums_* from release SHA256SUMS before uploading.
 
 pkgname=appicon-bin
-pkgver=0.3.0
+pkgver=0.4.0
 pkgrel=1
 pkgdesc='Resolve desktop and brand icons to local file paths (prebuilt)'
 arch=('x86_64' 'aarch64')
@@ -20,8 +20,8 @@ options=('!strip')
 
 source_x86_64=("$url/releases/download/v$pkgver/appicon_v${pkgver}_linux_amd64.tar.gz")
 source_aarch64=("$url/releases/download/v$pkgver/appicon_v${pkgver}_linux_arm64.tar.gz")
-sha256sums_x86_64=('81d35e5b84b77a09371ca743bb315d17764bdfed4a6d1984de24eb6fb4f5ac18')
-sha256sums_aarch64=('60bde89bae1cd1616f76da49933f1b592724759f709c9290e003f08494719946')
+sha256sums_x86_64=('d7f7d45cb7505098b6546bd11f176b6355ab364d79f32293b5dc7ec3e8e42350')
+sha256sums_aarch64=('4a3ca62215e2dbcf81b6876cc469e02cb27971114e59a1a92679cccdff31ec1a')
 
 package() {
   install -Dm755 appicon "$pkgdir/usr/bin/appicon"
diff --git a/packaging/aur/appicon-git/.SRCINFO b/packaging/aur/appicon-git/.SRCINFO
index bcbaa17..3cddca7 100644
--- a/packaging/aur/appicon-git/.SRCINFO
+++ b/packaging/aur/appicon-git/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = appicon-git
 	pkgdesc = Resolve desktop and brand icons to local file paths (git)
-	pkgver = 0.3.0.r0.gc2ab6b0
+	pkgver = 0.4.0.r0.gfc6b5e6
 	pkgrel = 1
 	url = https://github.com/bolens/appicon
 	arch = x86_64
@@ -11,7 +11,7 @@ pkgbase = appicon-git
 	depends = glibc
 	optdepends = resvg: preferred SVG→PNG rasterizer
 	optdepends = librsvg: rsvg-convert SVG→PNG fallback
-	provides = appicon=0.3.0.r0.gc2ab6b0
+	provides = appicon=0.4.0.r0.gfc6b5e6
 	conflicts = appicon
 	conflicts = appicon-bin
 	source = appicon-git::git+https://github.com/bolens/appicon.git
diff --git a/packaging/aur/appicon-git/PKGBUILD b/packaging/aur/appicon-git/PKGBUILD
index ad79e00..356b777 100644
--- a/packaging/aur/appicon-git/PKGBUILD
+++ b/packaging/aur/appicon-git/PKGBUILD
@@ -3,7 +3,7 @@
 # Publish via: git clone ssh://aur@aur.archlinux.org/appicon-git.git
 
 pkgname=appicon-git
-pkgver=0.3.0.r0.gc2ab6b0
+pkgver=0.4.0.r0.gfc6b5e6
 pkgrel=1
 pkgdesc='Resolve desktop and brand icons to local file paths (git)'
 arch=('x86_64' 'aarch64')
diff --git a/packaging/aur/appicon/.SRCINFO b/packaging/aur/appicon/.SRCINFO
index 0b31a0b..9bd7a28 100644
--- a/packaging/aur/appicon/.SRCINFO
+++ b/packaging/aur/appicon/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = appicon
 	pkgdesc = Resolve desktop and brand icons to local file paths
-	pkgver = 0.3.0
+	pkgver = 0.4.0
 	pkgrel = 1
 	url = https://github.com/bolens/appicon
 	arch = x86_64
@@ -13,7 +13,7 @@ pkgbase = appicon
 	provides = appicon
 	conflicts = appicon-bin
 	conflicts = appicon-git
-	source = appicon-0.3.0.tar.gz::https://github.com/bolens/appicon/archive/refs/tags/v0.3.0.tar.gz
-	sha256sums = d7714c7bb01cecd8f626742e05725ee2ab8f3e37383e31a478e5201aa9f76901
+	source = appicon-0.4.0.tar.gz::https://github.com/bolens/appicon/archive/refs/tags/v0.4.0.tar.gz
+	sha256sums = 7d39904a6f4e648e17ba5e0613e17dcb9bfc457aa7e15fd4b817b8f96d00ac5a
 
 pkgname = appicon
diff --git a/packaging/aur/appicon/PKGBUILD b/packaging/aur/appicon/PKGBUILD
index 8a4afd5..35d833c 100644
--- a/packaging/aur/appicon/PKGBUILD
+++ b/packaging/aur/appicon/PKGBUILD
@@ -3,7 +3,7 @@
 # Publish via: git clone ssh://aur@aur.archlinux.org/appicon.git
 
 pkgname=appicon
-pkgver=0.3.0
+pkgver=0.4.0
 pkgrel=1
 pkgdesc='Resolve desktop and brand icons to local file paths'
 arch=('x86_64' 'aarch64')
@@ -18,7 +18,7 @@ optdepends=(
 provides=('appicon')
 conflicts=('appicon-bin' 'appicon-git')
 source=("$pkgname-$pkgver.tar.gz::$url/archive/refs/tags/v$pkgver.tar.gz")
-sha256sums=('d7714c7bb01cecd8f626742e05725ee2ab8f3e37383e31a478e5201aa9f76901')
+sha256sums=('7d39904a6f4e648e17ba5e0613e17dcb9bfc457aa7e15fd4b817b8f96d00ac5a')
 
 prepare() {
   cd "$pkgname-$pkgver"