diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index a78c930..83e5a9d 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -2,9 +2,9 @@ name: Build and Test
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, v1.x ]
   pull_request:
-    branches: [ master ]
+    branches: [ master, v1.x ]
 
 jobs:
   build:
@@ -26,6 +26,9 @@ jobs:
           - 4.12.x
           - 4.13.x
           - 4.14.x
+          - 5.0.x
+          - 5.1.x
+          - 5.2.x
 
     runs-on: ${{ matrix.os }}
 
diff --git a/CHANGES.md b/CHANGES.md
index 4005fd9..4a09d67 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,9 @@
+1.11.0
+------
+
+  * Support for OCaml 5.2 (#94, @kit-ty-kate, backport to 1.x by
+    @ejgallego #97)
+
 1.10.0
 ------
 
diff --git a/src/compat/gen.ml b/src/compat/gen.ml
index f2ba26b..9a6c75a 100644
--- a/src/compat/gen.ml
+++ b/src/compat/gen.ml
@@ -14,7 +14,7 @@ let make_version ~version f_prefix =
 let include_table =
   [ ("types_module_type", [(4, 10); (4, 8)])
   ; ("types_signature_item", [(4, 8)])
-  ; ("types_type_kind", [(4, 13)])
+  ; ("types_type_kind", [(5, 2); (4, 13)])
   ; ("init_path", [(4, 9)])
   ; ("env_lookup", [(4, 10)])
   ; ("types_desc", [(4, 14)]) ]
diff --git a/src/compat/types_type_kind_ge_502.ml b/src/compat/types_type_kind_ge_502.ml
new file mode 100644
index 0000000..4343a13
--- /dev/null
+++ b/src/compat/types_type_kind_ge_502.ml
@@ -0,0 +1,12 @@
+type ('lbl, 'cstr) type_kind_412 =
+  | Type_abstract
+  | Type_record of 'lbl list * Types.record_representation
+  | Type_variant of 'cstr list
+  | Type_open
+
+let migrate_type_kind :
+    ('lbl, 'cstr) Types.type_kind -> ('lbl, 'cstr) type_kind_412 = function
+  | Type_abstract _ -> Type_abstract
+  | Type_record (lbl, repr) -> Type_record (lbl, repr)
+  | Type_variant (cstr, _) -> Type_variant cstr
+  | Type_open -> Type_open