diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index 069037fe19..3106730237 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -2,7 +2,7 @@ name: Changelog check
 
 on:
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
     types: [ opened, synchronize, reopened, labeled, unlabeled ]
 
 jobs:
diff --git a/dot-merlin-reader.opam b/dot-merlin-reader.opam
index 3f243280fe..f6b25929d9 100644
--- a/dot-merlin-reader.opam
+++ b/dot-merlin-reader.opam
@@ -12,7 +12,7 @@ build: [
 ]
 depends: [
   "ocaml" {>= "5.2" }
-  "dune" {>= "2.9.0"}
+  "dune" {>= "3.0.0"}
   "merlin-lib" {>= "5.2"}
   "ocamlfind" {>= "1.6.0"}
 ]
diff --git a/merlin-lib.opam b/merlin-lib.opam
index 153285c7cb..6e6bde2545 100644
--- a/merlin-lib.opam
+++ b/merlin-lib.opam
@@ -13,7 +13,7 @@ depends: [
   "ocaml" {>= "5.2" & < "5.3"}
   "dune" {>= "3.0.0"}
   "csexp" {>= "1.5.1"}
-  "alcotest" {with-test}
+  "alcotest" {with-test & >= "1.3.0" }
   "menhir"    {dev & >= "20201216"}
   "menhirLib" {dev & >= "20201216"}
   "menhirSdk" {dev & >= "20201216"}
diff --git a/tests/test-units/sherldoc/dune b/tests/test-units/sherldoc/dune
index f84c9d6d2c..e6ebc33cfd 100644
--- a/tests/test-units/sherldoc/dune
+++ b/tests/test-units/sherldoc/dune
@@ -1,3 +1,4 @@
 (test
  (name sherlodoc_test)
+ (package merlin-lib)
  (libraries fmt alcotest merlin-lib.sherlodoc))