diff --git a/Cargo.lock b/Cargo.lock
index 083be6b..0f68544 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -137,9 +137,9 @@ dependencies = [
 
 [[package]]
 name = "fragile"
-version = "1.2.1"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85dcb89d2b10c5f6133de2efd8c11959ce9dbb46a2f7a4cab208c4eeda6ce1ab"
+checksum = "6c2141d6d6c8512188a7891b4b01590a45f6dac67afb4f255c4124dbb86d4eaa"
 
 [[package]]
 name = "git-view"
@@ -263,9 +263,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "mockall"
-version = "0.11.2"
+version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2be9a9090bc1cac2930688fa9478092a64c6a92ddc6ae0692d46b37d9cab709"
+checksum = "4c84490118f2ee2d74570d114f3d0493cbf02790df303d2707606c3e14e07c96"
 dependencies = [
  "cfg-if",
  "downcast",
@@ -278,9 +278,9 @@ dependencies = [
 
 [[package]]
 name = "mockall_derive"
-version = "0.11.2"
+version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86d702a0530a0141cf4ed147cf5ec7be6f2c187d4e37fcbefc39cf34116bfe8f"
+checksum = "22ce75669015c4f47b289fd4d4f56e894e4c96003ffdf3ac51313126f94c6cbb"
 dependencies = [
  "cfg-if",
  "proc-macro2",
@@ -471,18 +471,18 @@ checksum = "507e9898683b6c43a9aa55b64259b721b52ba226e0f3779137e50ad114a4c90b"
 
 [[package]]
 name = "test-case"
-version = "2.2.2"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21d6cf5a7dffb3f9dceec8e6b8ca528d9bd71d36c9f074defb548ce161f598c0"
+checksum = "2a1d6e7bde536b0412f20765b76e921028059adfd1b90d8974d33fd3c91b25df"
 dependencies = [
  "test-case-macros",
 ]
 
 [[package]]
-name = "test-case-macros"
-version = "2.2.1"
+name = "test-case-core"
+version = "3.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c95968eedc6fc4f5c21920e0f4264f78ec5e4c56bb394f319becc1a5830b3e54"
+checksum = "d10394d5d1e27794f772b6fc854c7e91a2dc26e2cbf807ad523370c2a59c0cee"
 dependencies = [
  "cfg-if",
  "proc-macro-error",
@@ -491,6 +491,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "test-case-macros"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeb9a44b1c6a54c1ba58b152797739dba2a83ca74e18168a68c980eb142f9404"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "test-case-core",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.15.0"
diff --git a/Cargo.toml b/Cargo.toml
index 5761cc5..63c119c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,5 +22,5 @@ url = { version = '2.3.1' }
 webbrowser = { version = '0.8.2' }
 
 [dev-dependencies]
-test-case = { version = '2.2.2' }
-mockall = { version = '0.11.2' }
+test-case = { version = '3.1.0' }
+mockall = { version = '0.11.4' }