diff --git a/packages/coq-lambda-rust/coq-lambda-rust.dev.2025-04-08.0.ee5b5960/opam b/packages/coq-lambda-rust/coq-lambda-rust.dev.2025-04-08.0.ee5b5960/opam
new file mode 100644
index 0000000000000000000000000000000000000000..2543e4919e3d8e78f89576e508b4d4005af44762
--- /dev/null
+++ b/packages/coq-lambda-rust/coq-lambda-rust.dev.2025-04-08.0.ee5b5960/opam
@@ -0,0 +1,21 @@
+opam-version: "2.0"
+maintainer: "Ralf Jung <jung@mpi-sws.org>"
+authors: "The RustBelt Team"
+license: "BSD-3-Clause"
+homepage: "https://plv.mpi-sws.org/rustbelt/"
+bug-reports: "https://gitlab.mpi-sws.org/iris/lambda-rust/issues"
+dev-repo: "git+https://gitlab.mpi-sws.org/iris/lambda-rust.git"
+
+synopsis: "LambdaRust Coq formalization"
+description: """
+A formal model of a Rust core language and type system, a logical relation for
+the type system, and safety proof for some Rust libraries.
+"""
+
+depends: [
+  "coq-lifetime-logic" { = version }
+]
+
+build: ["./make-package" "lambda-rust" "-j%{jobs}%"]
+install: ["./make-package" "lambda-rust" "install"]
+url { src: "git+https://gitlab.mpi-sws.org/iris/lambda-rust.git#ee5b5960db8dfca2887a9443883c3351749e8922" }
diff --git a/packages/coq-lifetime-logic/coq-lifetime-logic.dev.2025-04-08.0.ee5b5960/opam b/packages/coq-lifetime-logic/coq-lifetime-logic.dev.2025-04-08.0.ee5b5960/opam
new file mode 100644
index 0000000000000000000000000000000000000000..52e99b83ffd9b9b04d332aacc286af5c9f64c062
--- /dev/null
+++ b/packages/coq-lifetime-logic/coq-lifetime-logic.dev.2025-04-08.0.ee5b5960/opam
@@ -0,0 +1,20 @@
+opam-version: "2.0"
+maintainer: "Ralf Jung <jung@mpi-sws.org>"
+authors: "The RustBelt Team"
+license: "BSD-3-Clause"
+homepage: "https://plv.mpi-sws.org/rustbelt/"
+bug-reports: "https://gitlab.mpi-sws.org/iris/lambda-rust/issues"
+dev-repo: "git+https://gitlab.mpi-sws.org/iris/lambda-rust.git"
+
+synopsis: "Lifetime Logic Coq formalization"
+description: """
+The lifetime logic extends Iris with a notion of "borrowing".
+"""
+
+depends: [
+  "coq-iris" { (= "dev.2025-03-28.0.fa344cbe") | (= "dev") }
+]
+
+build: ["./make-package" "lifetime" "-j%{jobs}%"]
+install: ["./make-package" "lifetime" "install"]
+url { src: "git+https://gitlab.mpi-sws.org/iris/lambda-rust.git#ee5b5960db8dfca2887a9443883c3351749e8922" }