diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 69314ec6aea..92b4ce054e7 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -986,7 +986,7 @@ dependencies = [
  "num-iter 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rational 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "png 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "png 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1678,10 +1678,10 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "inflate 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index bc9e50fe43a..7916c85c5b5 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -899,7 +899,7 @@ dependencies = [
  "num-iter 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rational 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "png 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "png 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1549,10 +1549,10 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "inflate 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/gonk/Cargo.lock b/ports/gonk/Cargo.lock
index c3fc6727585..5d5ef21125c 100644
--- a/ports/gonk/Cargo.lock
+++ b/ports/gonk/Cargo.lock
@@ -891,7 +891,7 @@ dependencies = [
  "num-iter 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rational 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "png 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "png 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1541,10 +1541,10 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "inflate 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",