diff --git a/Cargo.toml b/Cargo.toml
index 1476eb9cf8..1b2fb838b5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -67,7 +67,10 @@ unicode-xid = { version = "0.2.3", optional = true }
 bincode = "1"
 criterion = { version = "0.3", features = [] }
 diff = "0.1"
-ron = "0.7"
+# Require at least version 0.7.1 of ron, this version changed how floating points are
+# serialized by forcing them to always have the decimal part, this makes it backwards
+# incompatible with our tests because we do a syntatic diff and not a semantic one.
+ron = "~0.7.1"
 serde = { version = "1.0", features = ["derive"] }
 spirv = { version = "0.2", features = ["deserialize"] }
 rspirv = "0.11"
diff --git a/tests/out/ir/shadow.ron b/tests/out/ir/shadow.ron
index 128a4032e2..d9a07a96a8 100644
--- a/tests/out/ir/shadow.ron
+++ b/tests/out/ir/shadow.ron
@@ -324,7 +324,7 @@
             specialization: None,
             inner: Scalar(
                 width: 4,
-                value: Float(0),
+                value: Float(0.0),
             ),
         ),
         (
@@ -332,7 +332,7 @@
             specialization: None,
             inner: Scalar(
                 width: 4,
-                value: Float(1),
+                value: Float(1.0),
             ),
         ),
         (
@@ -400,7 +400,7 @@
             specialization: None,
             inner: Scalar(
                 width: 4,
-                value: Float(0),
+                value: Float(0.0),
             ),
         ),
         (