diff --git a/Cargo.lock b/Cargo.lock
index f9abd2a39..c4c417818 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -62,14 +62,15 @@ checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
 
 [[package]]
 name = "assert_cmd"
-version = "0.11.1"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dc477793bd82ec39799b6f6b3df64938532fdf2ab0d49ef817eac65856a5a1e"
+checksum = "c88b9ca26f9c16ec830350d309397e74ee9abdfd8eb1f71cb6ecc71a3fc818da"
 dependencies = [
- "escargot",
+ "doc-comment",
  "predicates",
  "predicates-core",
  "predicates-tree",
+ "wait-timeout",
 ]
 
 [[package]]
@@ -557,6 +558,12 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "doc-comment"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
+
 [[package]]
 name = "dtoa"
 version = "0.4.5"
@@ -601,18 +608,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "escargot"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ceb9adbf9874d5d028b5e4c5739d22b71988252b25c9c98fe7cf9738bee84597"
-dependencies = [
- "lazy_static",
- "log 0.4.8",
- "serde 1.0.112",
- "serde_json",
-]
-
 [[package]]
 name = "exitfailure"
 version = "0.5.1"
@@ -2552,6 +2547,15 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
+[[package]]
+name = "wait-timeout"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "walkdir"
 version = "2.3.1"
diff --git a/Cargo.toml b/Cargo.toml
index 64668dda6..6e013c10d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -62,7 +62,7 @@ which = "3.1.1"
 ws = "0.9.1"
 
 [dev-dependencies]
-assert_cmd = "0.11.1"
+assert_cmd = "1.0.1"
 fs_extra = "1.1.0"
 predicates = "1.0.4"