diff --git a/Cargo.toml b/Cargo.toml
index 6f175e65a6..24485af384 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,4 +30,4 @@ members = [
 
 [patch.crates-io]
 # XXX: Temporary fix for avr-rust/rust#148
-ufmt = { git = "https://github.com/Rahix/ufmt.git", rev = "5a0f82991c74becb81415d3c2b74fba872496ab6" }
+ufmt = { git = "https://github.com/Rahix/ufmt.git", rev = "12225dc1678e42fecb0e8635bf80f501e24817d9" }
diff --git a/avr-hal-generic/Cargo.toml b/avr-hal-generic/Cargo.toml
index f496006f50..88d2cac903 100644
--- a/avr-hal-generic/Cargo.toml
+++ b/avr-hal-generic/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 [dependencies]
 cfg-if = "0.1.7"
 nb = "0.1.2"
-ufmt = "0.1.0-beta.4"
+ufmt = "0.1.0"
 
 [dependencies.embedded-hal]
 version = "0.2.3"
diff --git a/boards/arduino-leonardo/Cargo.toml b/boards/arduino-leonardo/Cargo.toml
index 17b5573b0e..6ec02e910b 100644
--- a/boards/arduino-leonardo/Cargo.toml
+++ b/boards/arduino-leonardo/Cargo.toml
@@ -11,4 +11,4 @@ avr-hal-generic = { path = "../../avr-hal-generic/" }
 [dev-dependencies]
 panic-halt = "0.2.0"
 nb = "0.1.2"
-ufmt = "0.1.0-beta.4"
+ufmt = "0.1.0"
diff --git a/boards/arduino-uno/Cargo.toml b/boards/arduino-uno/Cargo.toml
index 80ea5b4f10..f956579139 100644
--- a/boards/arduino-uno/Cargo.toml
+++ b/boards/arduino-uno/Cargo.toml
@@ -11,5 +11,5 @@ avr-hal-generic = { path = "../../avr-hal-generic/" }
 [dev-dependencies]
 panic-halt = "0.2.0"
 nb = "0.1.2"
-ufmt = "0.1.0-beta.4"
+ufmt = "0.1.0"