diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58c667c..873f06b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 Changelog
 =========
 
+[v0.9.0] - 2020-3-28
+--------------------
+
+### Changed
+- Turn `=` deprecation warning into a hard error (#780)
+
+
 [v0.8.7] - 2020-3-28
 --------------------
 
diff --git a/Cargo.lock b/Cargo.lock
index 899243d..8196e87 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -188,7 +188,7 @@ checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "just"
-version = "0.8.7"
+version = "0.9.0"
 dependencies = [
  "ansi_term 0.12.1",
  "atty",
diff --git a/Cargo.toml b/Cargo.toml
index d8cbaf5..c4bff70 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name        = "just"
-version     = "0.8.7"
+version     = "0.9.0"
 description = "🤖 Just a command runner"
 authors     = ["Casey Rodarmor <casey@rodarmor.com>"]
 license     = "CC0-1.0"
diff --git a/man/just.1 b/man/just.1
index b0857f7..a5d0bfe 100644
--- a/man/just.1
+++ b/man/just.1
@@ -1,9 +1,9 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.15.
-.TH JUST "1" "March 2021" "just 0.8.7" "Just Manual"
+.TH JUST "1" "March 2021" "just 0.9.0" "Just Manual"
 .SH NAME
 just \- save and run commands
 .SH DESCRIPTION
-just 0.8.7
+just 0.9.0
 \- Please see https://github.com/casey/just for more information.
 .SS "USAGE:"
 .IP
diff --git a/src/config.rs b/src/config.rs
index ffabdfb..0d66f9c 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -860,7 +860,7 @@ mod tests {
   // have proper tests for all the flags, but this will do for now.
   #[test]
   fn help() {
-    const EXPECTED_HELP: &str = "just v0.8.7
+    const EXPECTED_HELP: &str = "just v0.9.0
 Casey Rodarmor <casey@rodarmor.com>
 🤖 Just a command runner \
                                  - https://github.com/casey/just