diff --git a/opam b/opam
new file mode 100644
index 0000000000000000000000000000000000000000..52cb2832514dbfa8699607590189f1283dc9b8cb
--- /dev/null
+++ b/opam
@@ -0,0 +1,13 @@
+opam-version: "1.2"
+name: "coq-actris"
+maintainer: "Robbert Krebbers"
+authors: "Jonas Kastberg Hinrichsen, Jesper Bengtson, Robbert Krebbers"
+license: "BSD"
+bug-reports: "https://gitlab.mpi-sws.org/iris/actris/issues"
+dev-repo: "https://gitlab.mpi-sws.org/iris/actris.git"
+build: [make "-j%{jobs}%"]
+install: [make "install"]
+remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/actris" ]
+depends: [
+  "coq-iris" { (= "dev.2019-10-14.0.1f83451a") | (= "dev") }
+]