diff --git a/packages/biocaml/biocaml.0.10.1/opam b/packages/biocaml/biocaml.0.10.1/opam
new file mode 100644
index 000000000000..bcdbdc83f433
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+++ b/packages/biocaml/biocaml.0.10.1/opam
@@ -0,0 +1,54 @@
+opam-version: "2.0"
+synopsis: "The OCaml Bioinformatics Library"
+description: """
+Biocaml aims to be a high-performance user-friendly library for
+Bioinformatics. See the [website](http://biocaml.org) for detailed API
+documentation. We welcome contributors and feedback from users. Please
+contact us with any comments and suggestions for features you would
+like added.
+"""
+maintainer: "biocaml@googlegroups.com"
+homepage: "http://biocaml.org"
+bug-reports: "https://github.com/biocaml/biocaml/issues"
+license: "LGPL + linking exception"
+dev-repo: "git+https://github.com/biocaml/biocaml.git"
+authors: [
+  "Sebastien Mondet"
+  "Ashish Agarwal"
+  "Philippe Veber"
+  "Christophe Troestler"
+  "Sergei Lebedev"
+  "David Koppstein"
+  "Alexander Gryzlov"
+  "Francois Berenger"
+]
+
+build: ["dune" "build" "-p" name "-j" jobs]
+
+depends: [
+  "base64"
+  "dune" {>= "1.0"}
+  "core_kernel" {>= "v0.12.0"}
+  "sexplib"
+  "camlzip" {>= "1.05"}
+  "xmlm"
+  "cfstream"
+  "ppx_compare"
+  "ppx_sexp_conv"
+  "re"
+  "rresult"
+  "uri"
+]
+
+depopts: [
+  "async"
+  "core"
+  "lwt"
+]
+url {
+  src: "https://github.com/biocaml/biocaml/archive/v0.10.1.tar.gz"
+  checksum: [
+    "md5=4cf944bcae5d36bf47b67f6bcb2455d7"
+    "sha512=0262b5768aefd7c080f664c46c88876fce9a658cc6a87358a77b7112c49ae3042e7ab542e76be5738fbaeda853149b308b48d4897960b5c7ae3b4da71d978bd8"
+  ]
+}