diff --git a/CHANGELOG.md b/CHANGELOG.md
index 695116b8..b5cbe85b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@
 ### Changed
 - Conversions between Ruby's `Time` and Rust's `SystemTime` now preserve
   nanosecond precision.
+- 'old-api' feature, which disables deprecation warnings for the old api is no
+  longer a default feature.
 
 ### Deprecated
 
diff --git a/Cargo.lock b/Cargo.lock
index ca9bcfa2..805a34ae 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -196,7 +196,7 @@ checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
 [[package]]
 name = "magnus"
-version = "0.7.1"
+version = "0.8.0"
 dependencies = [
  "bytes",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index ca73dba6..277e2337 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "magnus"
-version = "0.7.1"
+version = "0.8.0"
 edition = "2021"
 description = "High level Ruby bindings. Write Ruby extension gems in Rust, or call Ruby code from a Rust binary."
 keywords = ["ruby", "rubygem", "extension", "gem"]
@@ -21,7 +21,6 @@ exclude = [
 ]
 
 [features]
-default = ["old-api"]
 bytes = ["dep:bytes"]
 chrono = ["dep:chrono"]
 embed = ["rb-sys/link-ruby"]
diff --git a/examples/complete_object/ext/temperature/Cargo.lock b/examples/complete_object/ext/temperature/Cargo.lock
index 3bdfd2af..705174fb 100644
--- a/examples/complete_object/ext/temperature/Cargo.lock
+++ b/examples/complete_object/ext/temperature/Cargo.lock
@@ -114,7 +114,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.7.0"
+version = "0.8.0"
 dependencies = [
  "magnus-macros",
  "rb-sys",
diff --git a/examples/custom_exception_ruby/ext/ahriman/Cargo.lock b/examples/custom_exception_ruby/ext/ahriman/Cargo.lock
index e5a2a1b1..2f2b8b96 100644
--- a/examples/custom_exception_ruby/ext/ahriman/Cargo.lock
+++ b/examples/custom_exception_ruby/ext/ahriman/Cargo.lock
@@ -122,7 +122,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.7.0"
+version = "0.8.0"
 dependencies = [
  "magnus-macros",
  "rb-sys",
diff --git a/examples/custom_exception_rust/ext/ahriman/Cargo.lock b/examples/custom_exception_rust/ext/ahriman/Cargo.lock
index e5a2a1b1..2f2b8b96 100644
--- a/examples/custom_exception_rust/ext/ahriman/Cargo.lock
+++ b/examples/custom_exception_rust/ext/ahriman/Cargo.lock
@@ -122,7 +122,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.7.0"
+version = "0.8.0"
 dependencies = [
  "magnus-macros",
  "rb-sys",
diff --git a/examples/rust_blank/ext/rust_blank/Cargo.lock b/examples/rust_blank/ext/rust_blank/Cargo.lock
index e82a0ea2..8fe6c2dd 100644
--- a/examples/rust_blank/ext/rust_blank/Cargo.lock
+++ b/examples/rust_blank/ext/rust_blank/Cargo.lock
@@ -114,7 +114,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.7.0"
+version = "0.8.0"
 dependencies = [
  "magnus-macros",
  "rb-sys",