diff --git a/Cargo.lock b/Cargo.lock
index 1396476..f39be9a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -648,9 +648,9 @@ dependencies = [
 
 [[package]]
 name = "proptest"
-version = "1.10.0"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37566cb3fdacef14c0737f9546df7cfeadbfbc9fef10991038bf5015d0c80532"
+checksum = "4b45fcc2344c680f5025fe57779faef368840d0bd1f42f216291f0dc4ace4744"
 dependencies = [
  "bit-set",
  "bit-vec",
diff --git a/Cargo.toml b/Cargo.toml
index 5bc514b..058dde6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,4 +53,4 @@ slog-async = "2.8"
 slog-term = "2.9"
 structopt = "0.3"
 subprocess = "0.2.13"
-proptest = "1.10.0"
+proptest = "1.11.0"