diff --git a/Cargo.lock b/Cargo.lock
index b53e230cc..f7617b264 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1825,21 +1825,23 @@ checksum = "538c092e5586f4cdd7dd8078c4a79220e3e168880218124dcbce860f0ea938c6"
 
 [[package]]
 name = "libflate"
-version = "1.0.4"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "158ae2ca09a761eaf6050894f5a6f013f2773dafe24f67bfa73a7504580e2916"
+checksum = "6d87eae36b3f680f7f01645121b782798b56ef33c53f83d1c66ba3a22b60bfe3"
 dependencies = [
  "adler32",
  "crc32fast",
  "libflate_lz77",
- "rle-decode-fast",
 ]
 
 [[package]]
 name = "libflate_lz77"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3286f09f7d4926fc486334f28d8d2e6ebe4f7f9994494b6dab27ddfad2c9b11b"
+checksum = "39a734c0493409afcd49deee13c006a04e3586b9761a03543c6272c9c51f2f5a"
+dependencies = [
+ "rle-decode-fast",
+]
 
 [[package]]
 name = "libloading"
diff --git a/swf/Cargo.toml b/swf/Cargo.toml
index cda615038..2d009773a 100644
--- a/swf/Cargo.toml
+++ b/swf/Cargo.toml
@@ -16,7 +16,7 @@ byteorder = "1.4"
 encoding_rs = "0.8.28"
 num-derive = "0.3"
 num-traits = "0.2"
-libflate = {version = "1.0", optional = true}
+libflate = {version = "1.1", optional = true}
 log = "0.4"
 smallvec = "1.6.1"
 flate2 = {version = "1.0", optional = true}