diff --git a/packages/lwt-parallel/lwt-parallel.0.1.0/opam b/packages/lwt-parallel/lwt-parallel.0.1.0/opam
index 696be91dfb3..e74b27afbd4 100644
--- a/packages/lwt-parallel/lwt-parallel.0.1.0/opam
+++ b/packages/lwt-parallel/lwt-parallel.0.1.0/opam
@@ -23,7 +23,7 @@ synopsis: "Lwt-enabled multiprocessing library"
 description: "Allows to run lwt threads in different process."
 flags: light-uninstall
 url {
-  src: "https://github.com/ivg/parallel/archive/v0.1.0.tar.gz"
+  src: "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/lwt-parallel-0.1.0.tar.gz"
   checksum: [
     "sha256=e100a474e399821935fda8ced25ff7a1fb646e16239224aa852db173e43e0f8e"
     "md5=178e724bb8351eb1835ff27540162cca"
diff --git a/packages/lwt-parallel/lwt-parallel.0.1.1/opam b/packages/lwt-parallel/lwt-parallel.0.1.1/opam
index a925c755fb0..b9340a447e6 100644
--- a/packages/lwt-parallel/lwt-parallel.0.1.1/opam
+++ b/packages/lwt-parallel/lwt-parallel.0.1.1/opam
@@ -24,7 +24,7 @@ synopsis: "Lwt-enabled multiprocessing library"
 description: "Allows to run lwt threads in different process."
 flags: light-uninstall
 url {
-  src: "https://github.com/ivg/parallel/archive/v0.1.1.tar.gz"
+  src: "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/lwt-parallel-0.1.1.tar.gz"
   checksum: [
     "sha256=1224e1fc2cca3562c564fc29d8aac8bb65bfd12161ea582651cd24b31f0fa297"
     "md5=5d71e3a8330c7d0d8d38b6e8d8a6021d"
diff --git a/packages/lwt-parallel/lwt-parallel.0.1.2/opam b/packages/lwt-parallel/lwt-parallel.0.1.2/opam
index c1b4d13e3be..1e886ae6568 100644
--- a/packages/lwt-parallel/lwt-parallel.0.1.2/opam
+++ b/packages/lwt-parallel/lwt-parallel.0.1.2/opam
@@ -24,7 +24,7 @@ synopsis: "Lwt-enabled multiprocessing library"
 description: "Allows to run lwt threads in different process."
 flags: light-uninstall
 url {
-  src: "https://github.com/ivg/parallel/archive/v0.1.2.tar.gz"
+  src: "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/lwt-parallel-0.1.2.tar.gz"
   checksum: [
     "sha256=8dc01fc2efa713d336073b5fbcd7ac6c6a594fa659e026fc7fe01ffd37e26d51"
     "md5=e24c31f2b1e14d2805449ee689306134"
diff --git a/packages/ojs-base/ojs-base.0.2.0/opam b/packages/ojs-base/ojs-base.0.2.0/opam
index e76e0a73dce..6db2c16526f 100644
--- a/packages/ojs-base/ojs-base.0.2.0/opam
+++ b/packages/ojs-base/ojs-base.0.2.0/opam
@@ -25,7 +25,7 @@ synopsis:
 flags: light-uninstall
 url {
   src:
-    "https://framagit.org/zoggy/ojs-base/-/archive/0.2.0/ojs-base-0.2.0.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ojs-base-0.2.0.tar.gz"
   checksum: [
     "sha256=2eeb8e5f8309c45b13fb19407e984a9bdc34024d40a3444855960ebae2d23630"
     "md5=d80d149c92e646d8c1ca23c4c8e57a05"
diff --git a/packages/ojs-base/ojs-base.0.3.0/opam b/packages/ojs-base/ojs-base.0.3.0/opam
index 315870b9dda..4aa7509a868 100644
--- a/packages/ojs-base/ojs-base.0.3.0/opam
+++ b/packages/ojs-base/ojs-base.0.3.0/opam
@@ -34,7 +34,7 @@ synopsis:
 flags: light-uninstall
 url {
   src:
-    "https://framagit.org/zoggy/ojs-base/-/archive/0.3.0/ojs-base-0.3.0.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ojs-base-0.3.0.tar.gz"
   checksum: [
     "sha256=c14e305872d27692ea1cfa3c57e91eab4c2dc4aaa86e6430b2019f30b769fefa"
     "md5=ad560b9a7e90ebf8a50c5aba0605e51c"
diff --git a/packages/ojs-base/ojs-base.0.4.0/opam b/packages/ojs-base/ojs-base.0.4.0/opam
index b641dcbfb53..00a3b8d1f26 100644
--- a/packages/ojs-base/ojs-base.0.4.0/opam
+++ b/packages/ojs-base/ojs-base.0.4.0/opam
@@ -34,7 +34,7 @@ synopsis:
 flags: light-uninstall
 url {
   src:
-    "https://framagit.org/zoggy/ojs-base/-/archive/0.4.0/ojs-base-0.4.0.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ojs-base-0.4.0.tar.gz"
   checksum: [
     "sha256=528b1f62e44c762a798e6475f4e53c90e7ae7de2748b00646e01855303231c8f"
     "md5=5b266c9c517883f7f37a3ba4890c2a03"
diff --git a/packages/ojs-base/ojs-base.0.5.0/opam b/packages/ojs-base/ojs-base.0.5.0/opam
index a242469dc8c..6fd34efa39b 100644
--- a/packages/ojs-base/ojs-base.0.5.0/opam
+++ b/packages/ojs-base/ojs-base.0.5.0/opam
@@ -32,7 +32,7 @@ description: "Components include directories, file editor, message box."
 flags: light-uninstall
 url {
   src:
-    "https://framagit.org/zoggy/ojs-base/-/archive/0.5.0/ojs-base-0.5.0.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ojs-base-0.5.0.tar.gz"
   checksum: [
     "sha256=d12d7419a6952d522a060aed72499127d2b049449980f9472437ddd6ec5e4762"
     "md5=2a29b400e702adba39cb8ee3b0fdc62e"
diff --git a/packages/rdf/rdf.0.2/opam b/packages/rdf/rdf.0.2/opam
index 9d8fa0bc4ea..d01b580ac77 100644
--- a/packages/rdf/rdf.0.2/opam
+++ b/packages/rdf/rdf.0.2/opam
@@ -23,7 +23,7 @@ install: [make "install"]
 synopsis: "Native OCaml library to manipulate RDF graphs."
 url {
   src:
-    "https://framagit.org/zoggy/ocaml-rdf/-/archive/0.2/ocaml-rdf-0.2.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ocaml-rdf-0.2.tar.gz"
   checksum: [
     "sha256=a375c4eb5a1e765cc8723745c9ceace25fb21222c348df091e52d5cffa511847"
     "md5=0c6c1d436cf77d0c3fa596fc1bc4b21d"
diff --git a/packages/rdf/rdf.0.3/opam b/packages/rdf/rdf.0.3/opam
index 09112618c46..b7c0fa2bb2c 100644
--- a/packages/rdf/rdf.0.3/opam
+++ b/packages/rdf/rdf.0.3/opam
@@ -23,7 +23,7 @@ install: [make "install"]
 synopsis: "Native OCaml library to manipulate RDF graphs."
 url {
   src:
-    "https://framagit.org/zoggy/ocaml-rdf/-/archive/0.3/ocaml-rdf-0.3.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ocaml-rdf-0.3.tar.gz"
   checksum: [
     "sha256=86fafa6039299b4ef6367a90b2f21169da4c5ec4d92275c913402298283d2403"
     "md5=86fdc42893af9bfa433d190befb2025e"
diff --git a/packages/rdf/rdf.0.4/opam b/packages/rdf/rdf.0.4/opam
index 331cbcbf356..39df979b67c 100644
--- a/packages/rdf/rdf.0.4/opam
+++ b/packages/rdf/rdf.0.4/opam
@@ -23,7 +23,7 @@ install: [make "install"]
 synopsis: "Native OCaml library to manipulate RDF graphs."
 url {
   src:
-    "https://framagit.org/zoggy/ocaml-rdf/-/archive/0.4/ocaml-rdf-0.4.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ocaml-rdf-0.4.tar.gz"
   checksum: [
     "sha256=0c81f2a5fe3b13f1ddd3965bda8667ea99739732f32a8c91bbed4d88e6f6ff1e"
     "md5=63f6ae79ff0deef6cb4bec3dd0511ca0"
diff --git a/packages/rdf/rdf.0.5/opam b/packages/rdf/rdf.0.5/opam
index 5722cafc189..e46f523b182 100644
--- a/packages/rdf/rdf.0.5/opam
+++ b/packages/rdf/rdf.0.5/opam
@@ -35,7 +35,7 @@ install: [make "install"]
 synopsis: "Native OCaml library to manipulate RDF graphs."
 url {
   src:
-    "https://framagit.org/zoggy/ocaml-rdf/-/archive/0.5/ocaml-rdf-0.5.tar.gz"
+    "https://raw.githubusercontent.com/ocaml/opam-source-archives/main/ocaml-rdf-0.5.tar.gz"
   checksum: [
     "sha256=2521a63abbca83828d70b92a45c459c6aaf9c1daf3739b5449fba47b0b0986ae"
     "md5=f662e141806a5883fab42a9ae2b32a95"