diff --git a/released/packages/coq-rewriter/coq-rewriter.0.0.10/opam b/released/packages/coq-rewriter/coq-rewriter.0.0.10/opam
index 937f458995..31d3f5d722 100644
--- a/released/packages/coq-rewriter/coq-rewriter.0.0.10/opam
+++ b/released/packages/coq-rewriter/coq-rewriter.0.0.10/opam
@@ -14,7 +14,7 @@ install: [make "install"]
 depends: [
   "conf-findutils" {build}
   "ocaml" {build & (arch = "x86_32" | arch = "x86_64" | >= "4.14.0")}
-  "coq" {>= "8.15~"}
+  "coq" {>= "8.15~" & < "8.20~"}
 ]
 dev-repo: "git+https://github.com/mit-plv/rewriter.git"
 synopsis: "Reflective PHOAS rewriting/pattern-matching-compilation framework for simply-typed equalities and let-lifting, experimental and tailored for use in Fiat Cryptography"
diff --git a/released/packages/coq-rewriter/coq-rewriter.0.0.11/opam b/released/packages/coq-rewriter/coq-rewriter.0.0.11/opam
index d39003b95f..5e94638aac 100644
--- a/released/packages/coq-rewriter/coq-rewriter.0.0.11/opam
+++ b/released/packages/coq-rewriter/coq-rewriter.0.0.11/opam
@@ -14,7 +14,7 @@ install: [make "install"]
 depends: [
   "conf-findutils" {build}
   "ocaml" {build & (arch = "x86_32" | arch = "x86_64" | >= "4.14.0")}
-  "coq" {>= "8.17~"}
+  "coq" {>= "8.17~" & < "8.20~"}
 ]
 dev-repo: "git+https://github.com/mit-plv/rewriter.git"
 synopsis: "Reflective PHOAS rewriting/pattern-matching-compilation framework for simply-typed equalities and let-lifting, experimental and tailored for use in Fiat Cryptography"
diff --git a/released/packages/coq-rewriter/coq-rewriter.0.0.12/opam b/released/packages/coq-rewriter/coq-rewriter.0.0.12/opam
new file mode 100644
index 0000000000..10d36f81e3
--- /dev/null
+++ b/released/packages/coq-rewriter/coq-rewriter.0.0.12/opam
@@ -0,0 +1,25 @@
+opam-version: "2.0"
+authors: [
+  "Google Inc."
+  "Massachusetts Institute of Technology"
+]
+maintainer: "Jason Gross <jgross@mit.edu>"
+homepage: "https://github.com/mit-plv/rewriter"
+bug-reports: "https://github.com/mit-plv/rewriter/issues"
+license: "MIT OR Apache-2.0 OR BSD-1-Clause"
+build: [
+  [make "-j%{jobs}%"]
+]
+install: [make "install"]
+depends: [
+  "conf-findutils" {build}
+  "ocaml" {build & (arch = "x86_32" | arch = "x86_64" | >= "4.14.0")}
+  "coq" {>= "8.18~"}
+]
+dev-repo: "git+https://github.com/mit-plv/rewriter.git"
+synopsis: "Reflective PHOAS rewriting/pattern-matching-compilation framework for simply-typed equalities and let-lifting, experimental and tailored for use in Fiat Cryptography"
+tags: ["logpath:Rewriter"]
+url {
+  src: "https://github.com/mit-plv/rewriter/archive/refs/tags/v0.0.12.tar.gz"
+  checksum: "sha512=e0c45d39c0d28cd786290292b70d788ab9e6327a4afe9c37e4427dc97f9c6a0d00b0865da25ae2624d7c0f4f339754962bded3a478576e6f6896bbf31904689e"
+}