diff --git a/packages/raygui/raygui.1.5.1/opam b/packages/raygui/raygui.1.5.1/opam
new file mode 100644
index 000000000000..3854ed262252
--- /dev/null
+++ b/packages/raygui/raygui.1.5.1/opam
@@ -0,0 +1,43 @@
+opam-version: "2.0"
+synopsis: "OCaml bindings for raygui"
+description: "OCaml bindings for raygui"
+maintainer: ["tobiasjammer@gmail.com"]
+authors: ["Tobias Mock"]
+license: "MIT"
+homepage: "https://github.com/tjammer/raylib-ocaml"
+bug-reports: "https://github.com/tjammer/raylib-ocaml/issues"
+depends: [
+  "dune" {>= "3.20"}
+  "raylib" {= version}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/tjammer/raylib-ocaml.git"
+x-maintenance-intent: ["(latest)"]
+available: [arch != "arm32" & arch != "ppc64"]
+x-ci-accept-failures: [
+  "centos-7" # C compiler is too old
+  "oraclelinux-7" # C compiler is too old
+]
+url {
+  src:
+    "https://github.com/tjammer/raylib-ocaml/releases/download/1.5.1/raylib-1.5.1.tbz"
+  checksum: [
+    "sha256=199b89fdf24624b142b424a36b957c5a24e2e789fe5d51a94a57e83d20ffcd42"
+    "sha512=2ddcb9b341fc6583fa7f380374fd2d600eb3ad5dd31b3b7f91c5e2941c44db1ee2dc30748a524c4c2d33fa357a86befadb5b2a8de8cf76741030000172c668df"
+  ]
+}
+x-commit-hash: "77b48c06d2c9dc012e483296084be9774b1fe6b7"
diff --git a/packages/raylib/raylib.1.5.1/opam b/packages/raylib/raylib.1.5.1/opam
new file mode 100644
index 000000000000..c2527bb9eb74
--- /dev/null
+++ b/packages/raylib/raylib.1.5.1/opam
@@ -0,0 +1,52 @@
+opam-version: "2.0"
+synopsis: "OCaml bindings for raylib"
+description: "OCaml bindings for raylib"
+maintainer: ["tobiasjammer@gmail.com"]
+authors: ["Tobias Mock"]
+license: "MIT"
+homepage: "https://github.com/tjammer/raylib-ocaml"
+bug-reports: "https://github.com/tjammer/raylib-ocaml/issues"
+depends: [
+  "ocaml" {>= "4.08.0"}
+  "dune" {>= "3.20" & >= "3.20"}
+  "dune-configurator"
+  "ctypes" {>= "0.23.0"}
+  "integers" {>= "0.5"}
+  "patch" {>= "3.0.0"}
+  "conf-mesa" {os = "linux" | os-family = "bsd"}
+  "conf-libxcursor" {os = "linux" | os-family = "bsd"}
+  "conf-libxi" {os = "linux" | os-family = "bsd"}
+  "conf-libxinerama" {os = "linux" | os-family = "bsd"}
+  "conf-libxrandr" {os = "linux" | os-family = "bsd"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/tjammer/raylib-ocaml.git"
+x-maintenance-intent: ["(latest)"]
+available: [arch != "arm32" & arch != "ppc64"]
+x-ci-accept-failures: [
+  "centos-7" # C compiler is too old
+  "oraclelinux-7" # C compiler is too old
+]
+url {
+  src:
+    "https://github.com/tjammer/raylib-ocaml/releases/download/1.5.1/raylib-1.5.1.tbz"
+  checksum: [
+    "sha256=199b89fdf24624b142b424a36b957c5a24e2e789fe5d51a94a57e83d20ffcd42"
+    "sha512=2ddcb9b341fc6583fa7f380374fd2d600eb3ad5dd31b3b7f91c5e2941c44db1ee2dc30748a524c4c2d33fa357a86befadb5b2a8de8cf76741030000172c668df"
+  ]
+}
+x-commit-hash: "77b48c06d2c9dc012e483296084be9774b1fe6b7"