diff --git a/.gitignore b/.gitignore
index 5d483eca95737f35835f4942825e422cae0051ba..a2c795656831b2dc75c0b2a1c8feac6d06200d20 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ Makefile.coq
 Makefile.coq.conf
 .coqdeps.d
 _opam
+*.crashcoqide
diff --git a/opam b/opam
index dfc47ab895b8eb775a3fbf6ca3b15a0ea1f4b7a7..144aea84b2de983f2b1e38ea6f435074cd8b4b36 100644
--- a/opam
+++ b/opam
@@ -10,5 +10,5 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/lrust'" ]
 depends: [
-  "coq-gpfsl" { (= "dev.2019-10-04.0.7ef617f5") | (= "dev") }
+  "coq-gpfsl" { (= "dev.2019-10-08.0.d8e4f7c3") | (= "dev") }
 ]