diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e80f96dac..f3fd4c739 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,6 @@
+fish ?.?.? (released ???)
+=========================
+
 fish 4.2.1 (released November 13, 2025)
 =======================================
 
diff --git a/Cargo.lock b/Cargo.lock
index a13115bb7..a88b4efe9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -152,7 +152,7 @@ checksum = "52051878f80a721bb68ebfbc930e07b65ba72f2da88968ea5c06fd6ca3d3a127"
 
 [[package]]
 name = "fish"
-version = "4.2.1"
+version = "4.2.1-snapshot"
 dependencies = [
  "bitflags",
  "cc",
diff --git a/Cargo.toml b/Cargo.toml
index 48b0ff77f..33fbf2956 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,7 +70,7 @@ debug = true
 
 [package]
 name = "fish"
-version = "4.2.1"
+version = "4.2.1-snapshot"
 edition.workspace = true
 rust-version.workspace = true
 default-run = "fish"