diff --git a/docs/alpha/validation.rst b/docs/alpha/validation.rst
index b4ab3a30fc3662979f2d244bec11d20c32ed07b9..84f61b35f3176bc07bc3502b8775f8855a60e782 100644
--- a/docs/alpha/validation.rst
+++ b/docs/alpha/validation.rst
@@ -67,9 +67,9 @@ operations included in newly received blocks, whose validation is
 triggered by the :ref:`block validator<block_validator>`, in order to
 localize validation rules as needed. The resulting concrete API is
 specified by the :package-api:`Protocol
-<octez-proto-libs/Tezos_protocol_environment/V12/module-type-T/Updater/module-type-PROTOCOL/index.html>`
+<octez-proto-libs/Tezos_protocol_environment/V13/module-type-T/Updater/module-type-PROTOCOL/index.html>`
 module in the :doc:`protocol
-environment<../shell/protocol_environment>` ``V12``, and it is
+environment<../shell/protocol_environment>` ``V13``, and it is
 implemented by this protocol in the
 :package-api:`Main<tezos-protocol-alpha/Tezos_raw_protocol_alpha/Main/index.html>`
 module.
diff --git a/docs/protocols/alpha.rst b/docs/protocols/alpha.rst
index 1bb5409f72f20e641b269031bc4ece3d7adb0d4f..fad561ce2d67feb438b4125ed5d8707182dd82ea 100644
--- a/docs/protocols/alpha.rst
+++ b/docs/protocols/alpha.rst
@@ -14,6 +14,9 @@ branch of Octez.
 Environment Version
 -------------------
 
+This protocol requires a different protocol environment version than Paris.
+It requires protocol environment V13, compared to V12 for Paris.
+
 Smart Rollups
 -------------
 
diff --git a/src/bin_client/test/proto_test_injection/TEZOS_PROTOCOL b/src/bin_client/test/proto_test_injection/TEZOS_PROTOCOL
index c9e61462b6a4a49be878e4466f8c06067a42f284..2a74b71c789ab25b380160f368a834cd3e7ac031 100644
--- a/src/bin_client/test/proto_test_injection/TEZOS_PROTOCOL
+++ b/src/bin_client/test/proto_test_injection/TEZOS_PROTOCOL
@@ -1,4 +1,4 @@
 {
     "modules": ["Main"],
-    "expected_env_version": 12
+    "expected_env_version": 13
 }
diff --git a/src/lib_store/unix/test/test_consistency.ml b/src/lib_store/unix/test/test_consistency.ml
index 610f9850d6c13ad12d30716c0ccd31b7a88997ae..e6d226dc4a4bb480435b2a3a00258de739042048 100644
--- a/src/lib_store/unix/test/test_consistency.ml
+++ b/src/lib_store/unix/test/test_consistency.ml
@@ -39,7 +39,7 @@ let nb_protocols = 5
 let register_protocol ~hash ~sources =
   let module M = struct
     include
-      Registered_protocol.Register_embedded_V12
+      Registered_protocol.Register_embedded_V13
         (Tezos_protocol_environment_demo_noops)
         (Tezos_protocol_demo_noops.Protocol)
         (struct
diff --git a/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL b/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL
index 355f5509e016f53c66a4f5b3dd320e324ae7812b..d79b763f6783e06badd6eaeb23ea865e3c00557d 100644
--- a/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL
+++ b/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL
@@ -1,5 +1,5 @@
 {
-    "expected_env_version": 12,
+    "expected_env_version": 13,
     "hash": "ProtoALphaALphaALphaALphaALphaALphaALphaALphaDdp3zK",
     "modules": [
         "Misc",
diff --git a/src/proto_alpha/lib_protocol/dune b/src/proto_alpha/lib_protocol/dune
index c99c16b5c14085f3b8c70ffd931ccaa94e80758e..2813d1b0f37451a2b219483f9a1412bc8b01b828 100644
--- a/src/proto_alpha/lib_protocol/dune
+++ b/src/proto_alpha/lib_protocol/dune
@@ -15,7 +15,7 @@
  (action
   (write-file
    %{targets}
-   "module Name = struct let name = \"alpha\" end\ninclude Tezos_protocol_environment.V12.Make(Name)()\n")))
+   "module Name = struct let name = \"alpha\" end\ninclude Tezos_protocol_environment.V13.Make(Name)()\n")))
 
 (library
  (name tezos_raw_protocol_alpha)
diff --git a/tezt/tests/voting.ml b/tezt/tests/voting.ml
index d70b6a38a182d4f351facfee159b4b1f175b66ef..fead4d460dd7e0b9571c891f2e9f099a3cc1d406 100644
--- a/tezt/tests/voting.ml
+++ b/tezt/tests/voting.ml
@@ -57,7 +57,7 @@ let test_proto_files = ["main.ml"; "main.mli"]
 let test_proto_TEZOS_PROTOCOL =
   {|{
     "modules": ["Main"],
-    "expected_env_version": 12
+    "expected_env_version": 13
 }
 |}