diff --git a/agb/Cargo.toml b/agb/Cargo.toml
index b2670909..f400f760 100644
--- a/agb/Cargo.toml
+++ b/agb/Cargo.toml
@@ -29,6 +29,7 @@ targets = []
 [profile.dev]
 opt-level = 3
 debug = true
+codegen-units = 1
 
 [profile.release]
 opt-level = 3
diff --git a/book/games/pong/Cargo.toml b/book/games/pong/Cargo.toml
index d111bf4f..7c0dd1d7 100644
--- a/book/games/pong/Cargo.toml
+++ b/book/games/pong/Cargo.toml
@@ -10,6 +10,7 @@ agb = { version = "0.15.0", path = "../../../agb" }
 [profile.dev]
 opt-level = 3
 debug = true
+codegen-units = 1
 
 [profile.release]
 opt-level = 3
diff --git a/examples/amplitude/Cargo.toml b/examples/amplitude/Cargo.toml
index bdd38f78..c82c8496 100644
--- a/examples/amplitude/Cargo.toml
+++ b/examples/amplitude/Cargo.toml
@@ -12,6 +12,7 @@ agb = { version = "0.15.0", path = "../../agb" }
 [profile.dev]
 opt-level = 2
 debug = true
+codegen-units = 1
 
 [profile.release]
 panic = "abort"
diff --git a/examples/combo/Cargo.toml b/examples/combo/Cargo.toml
index 8c33ea67..2c31266e 100644
--- a/examples/combo/Cargo.toml
+++ b/examples/combo/Cargo.toml
@@ -15,6 +15,7 @@ amplitude = { path = "../amplitude" }
 [profile.dev]
 opt-level = 3
 debug = true
+codegen-units = 1
 
 [profile.release]
 opt-level = 3
diff --git a/examples/hyperspace-roll/Cargo.toml b/examples/hyperspace-roll/Cargo.toml
index 83a77568..5557b1a3 100644
--- a/examples/hyperspace-roll/Cargo.toml
+++ b/examples/hyperspace-roll/Cargo.toml
@@ -10,6 +10,7 @@ agb = { version = "0.15.0", path = "../../agb" }
 [profile.dev]
 opt-level = 3
 debug = true
+codegen-units = 1
 
 [profile.release]
 opt-level = 3
diff --git a/examples/the-hat-chooses-the-wizard/Cargo.toml b/examples/the-hat-chooses-the-wizard/Cargo.toml
index bc747668..18bc73b0 100644
--- a/examples/the-hat-chooses-the-wizard/Cargo.toml
+++ b/examples/the-hat-chooses-the-wizard/Cargo.toml
@@ -16,6 +16,7 @@ serde_json = "1.0"
 [profile.dev]
 opt-level = 3
 debug = true
+codegen-units = 1
 
 [profile.release]
 opt-level = 3
diff --git a/examples/the-purple-night/Cargo.toml b/examples/the-purple-night/Cargo.toml
index 62fcaec1..0b77cded 100644
--- a/examples/the-purple-night/Cargo.toml
+++ b/examples/the-purple-night/Cargo.toml
@@ -17,6 +17,7 @@ tiled = { version = "0.9.4", default-features = false }
 [profile.dev]
 opt-level = 3
 debug = true
+codegen-units = 1
 
 [profile.release]
 opt-level = 3
diff --git a/template/Cargo.toml b/template/Cargo.toml
index af719629..3cd11cb2 100644
--- a/template/Cargo.toml
+++ b/template/Cargo.toml
@@ -12,6 +12,7 @@ agb = "0.15.0"
 [profile.dev]
 opt-level = 3
 debug = true
+codegen-units = 1
 
 [profile.release]
 opt-level = 3