diff --git a/Cargo.lock b/Cargo.lock
index 09b7d7e0542e18f5e5db7d242f299be593242f82..b25b340f6617a3a1bb589dbc13714468c5b6a40f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1093,9 +1093,9 @@ dependencies = [
 
 [[package]]
 name = "glycin"
-version = "0.1.0-alpha.3"
+version = "0.1.0-alpha.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c023cb02a65666081c306da25bd45a7cb099c0aad8d9b4e248fd1a52795c612b"
+checksum = "fcf7b231b1f126c75a1b4907c78490f57ac214294367b62e7978aaa7d03f6527"
 dependencies = [
  "anyhow",
  "async-std",
@@ -1114,9 +1114,9 @@ dependencies = [
 
 [[package]]
 name = "glycin-utils"
-version = "0.1.0-alpha.3"
+version = "0.1.0-alpha.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3625f9e24dbf4ae22fd2237d29eddd063e7802c25aa49178c08b8bdedc65412"
+checksum = "d8896bded9f0dbc5e6883758e61636817d8fb8f2ad57be16354c8406289d7d95"
 dependencies = [
  "anyhow",
  "async-std",
diff --git a/Cargo.toml b/Cargo.toml
index 31a79a547f4008376231a5bb1beee25cd33f4361..f723301820931ae6e370079ae35fb983f2e5ef64 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ url = "2.3.1"
 
 # decoders
 librsvg = { git = "https://gitlab.gnome.org/GNOME/librsvg.git", rev = "51c80502b8474ec10c315da3559a049bdf4fe8f1" }
-glycin = "0.1.0-alpha.3"
+glycin = "0.1.0-alpha.4"
 
 [dependencies.ashpd]
 version = "0.4.0"
diff --git a/build-aux/flatpak/org.gnome.Loupe.Devel.json b/build-aux/flatpak/org.gnome.Loupe.Devel.json
index 8c10d704bfabe5d4989dc0ef6233754e02655099..39f1738f079c098b048d27f5c632e100a677ebae 100644
--- a/build-aux/flatpak/org.gnome.Loupe.Devel.json
+++ b/build-aux/flatpak/org.gnome.Loupe.Devel.json
@@ -156,7 +156,7 @@
                 {
                     "type" : "git",
                     "url" : "https://gitlab.gnome.org/sophie-h/glycin.git",
-                    "commit" : "2e3f9add120a4913e559729d361d6d7e5d010f2b"
+                    "commit" : "ab8c7ae22d9905a33eaa06c8246474525ca9720e"
                 }
             ]
         },
diff --git a/data/meson.build b/data/meson.build
index 3bbe842a42c7fb03bab2bee8d1ababd19dc34464..ef6b855d1ab4e9b9bb50e794227906107bfdc329 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -41,6 +41,11 @@ mime_types += [
   'image/heic',
 ]
 
+# JXL
+mime_types += [
+  'image/jxl',
+]
+
 conf.set('MIME_TYPES', ';'.join(mime_types) + ';')
 
 desktop_file = i18n.merge_file(