diff --git a/index/gn/gnat_arm_elf/gnat_arm_elf-13.1.0.toml b/index/gn/gnat_arm_elf/gnat_arm_elf-13.1.0.toml
index 256d9055d..ec14275cc 100644
--- a/index/gn/gnat_arm_elf/gnat_arm_elf-13.1.0.toml
+++ b/index/gn/gnat_arm_elf/gnat_arm_elf-13.1.0.toml
@@ -21,3 +21,7 @@ hashes = ["sha256:94c55ee2ac9b5e6a3e1458f5e63ad35ebd987e9cb8bc7f70cc28ce77f3087d
 [origin."case(os)".windows."case(host-arch)".x86-64]
 url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-arm-elf-windows64-13.1.0-1.tar.gz"
 hashes = ["sha256:0f241a5037314c708944196cdb00bfcbaa2aecbd39cdebaffe697cb2cb7da8c9"]
+
+[origin."case(os)".macos."case(host-arch)".x86-64]
+url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-arm-elf-darwin-13.1.0-1.tar.gz"
+hashes = ["sha256:fe38c783085b86f32adc1860b2ad89ba16e946930611bd46e57cb6b0355113ec"]
diff --git a/index/gn/gnat_avr_elf/gnat_avr_elf-13.1.0.toml b/index/gn/gnat_avr_elf/gnat_avr_elf-13.1.0.toml
index bb36665d7..34f2eac56 100644
--- a/index/gn/gnat_avr_elf/gnat_avr_elf-13.1.0.toml
+++ b/index/gn/gnat_avr_elf/gnat_avr_elf-13.1.0.toml
@@ -21,3 +21,7 @@ hashes = ["sha256:55d633b46c3220a31d2ffb12b409e929bfda0d05b31d8cf32d84b0a001d4d6
 [origin."case(os)".windows."case(host-arch)".x86-64]
 url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-avr-elf-windows64-13.1.0-1.tar.gz"
 hashes = ["sha256:5a9df9bf5916b322171ae0423d21d4877305382ffcedd1c04f7753ab909b9d0c"]
+
+[origin."case(os)".macos."case(host-arch)".x86-64]
+url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-avr-elf-darwin-13.1.0-1.tar.gz"
+hashes = ["sha256:9559bc5c25ba0e64d85d10f754f4ff312b7b218bfad5ff341cce9fa42c6750bc"]
diff --git a/index/gn/gnat_native/gnat_native-13.1.0.toml b/index/gn/gnat_native/gnat_native-13.1.0.toml
index b89751efb..ef9d7218f 100644
--- a/index/gn/gnat_native/gnat_native-13.1.0.toml
+++ b/index/gn/gnat_native/gnat_native-13.1.0.toml
@@ -21,3 +21,7 @@ hashes = ["sha256:fdf29084a085cca39edc4ec5c6bb81f24f494e8b7ec3a605690831783d5e3a
 [origin."case(os)".windows."case(host-arch)".x86-64]
 url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-x86_64-windows64-13.1.0-1.tar.gz"
 hashes = ["sha256:84523e4d363c1e7687c51cd8c084ac8e9bededf8c084de73f47b07149a8afdfd"]
+
+[origin."case(os)".macos."case(host-arch)".x86-64]
+url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-x86_64-darwin-13.1.0-1.tar.gz"
+hashes = ["sha256:071d715cb06c065633f38e40b896e9c2cd9f6f8c67b6b205459e4534ebf15dce"]
diff --git a/index/gn/gnat_riscv64_elf/gnat_riscv64_elf-13.1.0.toml b/index/gn/gnat_riscv64_elf/gnat_riscv64_elf-13.1.0.toml
index 6efff220c..242503f3e 100644
--- a/index/gn/gnat_riscv64_elf/gnat_riscv64_elf-13.1.0.toml
+++ b/index/gn/gnat_riscv64_elf/gnat_riscv64_elf-13.1.0.toml
@@ -21,3 +21,7 @@ hashes = ["sha256:eda9e6f7bac3fdeb79f9b652542568c4e1665fe8f31ad6585f55863beaf445
 [origin."case(os)".windows."case(host-arch)".x86-64]
 url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-riscv64-elf-windows64-13.1.0-1.tar.gz"
 hashes = ["sha256:4ac38b80e22d233ac9f5dcf9d7ad054a43b7c99f14f7c525dfb845e90585bc53"]
+
+[origin."case(os)".macos."case(host-arch)".x86-64]
+url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.1.0-1/gnat-riscv64-elf-darwin-13.1.0-1.tar.gz"
+hashes = ["sha256:ff12ec976a850d370054f82bf1ced2ff2febfd3c7b7573550cf3d48d8d3e0955"]