diff --git a/.github/workflows/cli.yml b/.github/workflows/cli.yml
index 132453f2..381daa06 100644
--- a/.github/workflows/cli.yml
+++ b/.github/workflows/cli.yml
@@ -22,7 +22,7 @@ jobs:
           - macos-latest
           - windows-latest
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index fb9707be..5092ade2 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -26,7 +26,7 @@ jobs:
           - macos-latest
           - windows-latest
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
@@ -47,7 +47,7 @@ jobs:
           - macos-latest
           - windows-latest
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/.github/workflows/derive.yml b/.github/workflows/derive.yml
index adf6b195..21d69f44 100644
--- a/.github/workflows/derive.yml
+++ b/.github/workflows/derive.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/tokio.yml b/.github/workflows/tokio.yml
index 8e0e410e..19dbb9cd 100644
--- a/.github/workflows/tokio.yml
+++ b/.github/workflows/tokio.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56.0 # MSRV
+          - 1.57 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index 4a29af06..76f28c88 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -16,7 +16,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.56.0 # MSRV
+        toolchain: 1.57.0 # MSRV
         components: clippy
         override: true
         profile: minimal
diff --git a/Cargo.lock b/Cargo.lock
index 980d41c0..6cfd16cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -209,9 +209,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "3.1.16"
+version = "3.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52d4f8e4a1419219935762e32913b4430f37cb0c0200ad17a89ee18c0188a9f"
+checksum = "d2dbdf4bdacb33466e854ce889eee8dfd5729abf7ccd7664d0a2d60cd384440b"
 dependencies = [
  "atty",
  "bitflags",
@@ -226,9 +226,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "3.1.7"
+version = "3.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3aab4734e083b809aaf5794e14e756d1c798d2c69c7f7de7a09a2f5214993c1"
+checksum = "25320346e922cffe59c0bbc5410c8d8784509efb321488971081313cb1e1a33c"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -313,16 +313,16 @@ checksum = "78cc372d058dcf6d5ecd98510e7fbc9e5aec4d21de70f65fea8fecebcd881bd4"
 
 [[package]]
 name = "handlebars"
-version = "4.2.2"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99d6a30320f094710245150395bc763ad23128d6a1ebbad7594dc4164b62c56b"
+checksum = "d113a9853e5accd30f43003560b5563ffbb007e3f325e8b103fa0d0029c6e6df"
 dependencies = [
  "log",
  "pest",
  "pest_derive",
- "quick-error",
  "serde",
  "serde_json",
+ "thiserror",
 ]
 
 [[package]]
@@ -370,9 +370,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
+checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
 
 [[package]]
 name = "lazy_static"
@@ -382,9 +382,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.125"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5916d2ae698f6de9bfb891ad7a8d65c09d232dc58cc4ac433c7da3b2fd84bc2b"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 
 [[package]]
 name = "lock_api"
@@ -398,9 +398,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.16"
+version = "0.4.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6389c490849ff5bc16be905ae24bc913a9c8892e19b2341dbc175e14c341c2b8"
+checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
  "cfg-if",
 ]
@@ -437,34 +437,14 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52da4364ffb0e4fe33a9841a98a3f3014fb964045ce4f7a45a398243c8d6b0c9"
+checksum = "713d550d9b44d89174e066b7a6217ae06234c10cb47819a88290d2b353c31799"
 dependencies = [
  "libc",
  "log",
- "miow",
- "ntapi",
  "wasi",
- "winapi",
-]
-
-[[package]]
-name = "miow"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "ntapi"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
-dependencies = [
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
@@ -479,18 +459,18 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.28.3"
+version = "0.28.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40bec70ba014595f99f7aa110b84331ffe1ee9aece7fe6f387cc7e3ecda4d456"
+checksum = "e42c982f2d955fac81dd7e1d0e1426a7d702acd9c98d19ab01083a6a0328c424"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "once_cell"
-version = "1.10.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
+checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
 
 [[package]]
 name = "opaque-debug"
@@ -500,9 +480,9 @@ checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
 [[package]]
 name = "os_str_bytes"
-version = "6.0.0"
+version = "6.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
+checksum = "21326818e99cfe6ce1e524c2a805c189a99b5ae555a35d19f9a284b427d86afa"
 
 [[package]]
 name = "owo-colors"
@@ -608,19 +588,13 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.38"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9027b48e9d4c9175fa2218adf3557f91c1137021739951d4932f5f8268ac48aa"
+checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
-[[package]]
-name = "quick-error"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
-
 [[package]]
 name = "quote"
 version = "1.0.18"
@@ -641,9 +615,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.5.5"
+version = "1.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a11647b6b25ff05a515cb92c365cec08801e83423a235b51e231e1808747286"
+checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -661,9 +635,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.25"
+version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
+checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"
 
 [[package]]
 name = "rustc-demangle"
@@ -673,9 +647,9 @@ checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
 
 [[package]]
 name = "ryu"
-version = "1.0.9"
+version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
+checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
 
 [[package]]
 name = "scopeguard"
@@ -724,9 +698,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.80"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f972498cf015f7c0746cac89ebe1d6ef10c293b94175a243a2d9442c163d9944"
+checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
  "itoa",
  "ryu",
@@ -787,13 +761,13 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "1.0.92"
+version = "1.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ff7c592601f11445996a06f8ad0c27f094a58857c2f89e97974ab9235b92c52"
+checksum = "fbaf6116ab8924f39d52792136fb74fd60a80194cf1b1c6ffa6453eef1c3f942"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -823,6 +797,26 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
 
+[[package]]
+name = "thiserror"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.4"
@@ -834,9 +828,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.18.1"
+version = "1.18.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dce653fb475565de9f6fb0614b28bca8df2c430c0cf84bcd9c843f15de5414cc"
+checksum = "4903bf0427cf68dddd5aa6a93220756f8be0c34fcfa9f5e6191e103e15a31395"
 dependencies = [
  "libc",
  "mio",
@@ -932,6 +926,12 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.3"
diff --git a/cli/src/commands/gen/cmd.rs b/cli/src/commands/gen/cmd.rs
index ea34d61f..4f63b20a 100644
--- a/cli/src/commands/gen/cmd.rs
+++ b/cli/src/commands/gen/cmd.rs
@@ -43,7 +43,7 @@ impl Runnable for Cmd {
 impl Cmd {
     /// Generate a new subcommand in this application
     pub fn generate(&self, app_root: &Path, name: &str) {
-        let snake_case_name = name.replace("-", "_");
+        let snake_case_name = name.replace('-', "_");
         let output_dir = app_root.join("src").join("commands");
 
         if !output_dir.exists() {
diff --git a/cli/src/commands/new.rs b/cli/src/commands/new.rs
index 2acddc4c..63a785c9 100644
--- a/cli/src/commands/new.rs
+++ b/cli/src/commands/new.rs
@@ -40,10 +40,12 @@ impl Runnable for NewCommand {
     /// Run the Abscissa application generator
     fn run(&self) {
         let started_at = Instant::now();
+        #[allow(clippy::redundant_closure)]
         let app_properties = self.parse_options().unwrap_or_else(|e| fatal_error(e));
         let app_template = Collection::default();
         let branch_name = "main";
 
+        #[allow(clippy::redundant_closure)]
         self.create_parent_directory()
             .unwrap_or_else(|e| fatal_error(e));
 
@@ -52,15 +54,18 @@ impl Runnable for NewCommand {
         template_files.sort_by(|a, b| a.name().cmp(b.name()));
 
         for template_file in &template_files {
+            #[allow(clippy::redundant_closure)]
             self.render_template_file(&app_template, template_file, &app_properties)
                 .unwrap_or_else(|e| fatal_error(e));
         }
 
         // TODO(tarcieri): make this optional?
+        #[allow(clippy::redundant_closure)]
         self.run_git_init(branch_name)
             .unwrap_or_else(|e| fatal_error(e));
 
         // TODO(tarcieri): make this optional?
+        #[allow(clippy::redundant_closure)]
         self.generate_lockfile().unwrap_or_else(|e| fatal_error(e));
 
         let duration = started_at.elapsed();
@@ -265,7 +270,7 @@ impl NewCommand {
             .file_name()
             .expect("no filename?")
             .to_string_lossy()
-            .replace("-", "_");
+            .replace('-', "_");
 
         let name: properties::name::App = app_name.parse().expect("no app name");
 
diff --git a/core/src/application/cell.rs b/core/src/application/cell.rs
index 0573f9d5..3a2e30d7 100644
--- a/core/src/application/cell.rs
+++ b/core/src/application/cell.rs
@@ -34,6 +34,7 @@ where
 {
     type Target = A;
 
+    #[allow(clippy::redundant_closure)]
     fn deref(&self) -> &A {
         self.0.get().unwrap_or_else(|| not_loaded())
     }
diff --git a/core/src/config/cell.rs b/core/src/config/cell.rs
index d7d03144..738048fc 100644
--- a/core/src/config/cell.rs
+++ b/core/src/config/cell.rs
@@ -27,6 +27,7 @@ where
     }
 
     /// Read the current configuration.
+    #[allow(clippy::redundant_closure)]
     pub fn read(&self) -> Reader<C> {
         self.inner.load_full().unwrap_or_else(|| not_loaded())
     }