diff --git a/index/li/libcmark/libcmark-external.toml b/index/li/libcmark/libcmark-external.toml
index 20e00423..a26873b8 100644
--- a/index/li/libcmark/libcmark-external.toml
+++ b/index/li/libcmark/libcmark-external.toml
@@ -9,5 +9,6 @@ kind = "system"
 
 [external.origin.'case(distribution)']
 'debian|ubuntu' = ["libcmark-dev"]
-'arch|homebrew|macports|fedora|suse' = ["cmark"]
+'arch|homebrew|macports|suse' = ["cmark"]
+'fedora' = ["cmark-devel"]
 'msys2' = ["mingw-w64-x86_64-cmark"]
diff --git a/index/ya/yass/yass-3.1.0.toml b/index/ya/yass/yass-3.1.0.toml
new file mode 100644
index 00000000..3bba5ca5
--- /dev/null
+++ b/index/ya/yass/yass-3.1.0.toml
@@ -0,0 +1,44 @@
+name = "yass"
+description = "Static website generator"
+version = "3.1.0"
+
+authors = ["AJ Ianozi"]
+maintainers = ["AJ Ianozi <aj@ianozi.com>"]
+maintainers-logins = ["AJ-Ianozi"]
+licenses = "GPL-3.0-or-later"
+website = "https://yass.website"
+tags = ["web", "markdown", "generator"]
+
+executables = ["yass"]
+
+
+[gpr-externals]
+YASS_OS = ["Windows", "Unix"]
+Mode = ["dev", "debug", "release", "analyze"]
+
+[gpr-set-externals]
+Mode = "release"
+
+[gpr-set-externals.'case(os)']
+  windows = { YASS_OS = "Windows" }
+  '...'   = { YASS_OS = "Unix" }
+
+[[depends-on]]
+libcmark = ">=0.0.1"
+
+[[depends-on]]
+# See https://github.com/AdaCore/aws/issues/380
+# and https://github.com/alire-project/alire/issues/1710
+[depends-on.'case(os)'.windows]
+aws = "^23.0.0"
+xmlada = "^23.0.0"
+gnatcoll = "^23.0.0"
+
+[depends-on.'case(os)'.'...']
+aws = "^24.0.0"
+xmlada = "^24.0.0"
+gnatcoll = "^24.0.0"
+[origin]
+commit = "9bcb0cc5a86fc324b57f580386f083cbcf3e6358"
+url = "git+https://github.com/yet-another-static-site-generator/yass.git"
+