diff --git a/examples/todo/Cargo.toml b/examples/todo/Cargo.toml
index 06574717..7a3b3ebf 100644
--- a/examples/todo/Cargo.toml
+++ b/examples/todo/Cargo.toml
@@ -9,7 +9,7 @@ rocket_codegen = { path = "../../codegen" }
 serde = "1.0"
 serde_json = "1.0"
 serde_derive = "1.0"
-diesel = { version = "1.1", features = ["sqlite", "r2d2"] }
+diesel = { version = "<= 1.2", features = ["sqlite", "r2d2"] }
 dotenv = "0.10"
 
 [dev-dependencies]
diff --git a/site/guide/state.md b/site/guide/state.md
index 5d047fd4..2ebd840b 100644
--- a/site/guide/state.md
+++ b/site/guide/state.md
@@ -179,7 +179,7 @@ use the following dependencies:
 [dependencies]
 rocket = "0.3.11"
 rocket_codegen = "0.3.11"
-diesel = { version = "1.1", features = ["sqlite", "r2d2"] }
+diesel = { version = "<= 1.2", features = ["sqlite", "r2d2"] }
 ```
 
 Your `diesel` dependency information may differ. The crates are imported as