diff --git a/Cargo.lock b/Cargo.lock
index 8c74c3b..abff5af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -60,9 +60,9 @@ checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "assert_cmd"
-version = "1.0.8"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c98233c6673d8601ab23e77eb38f999c51100d46c5703b17288c57fddf3a1ffe"
+checksum = "54f002ce7d0c5e809ebb02be78fd503aeed4a511fd0fcaff6e6914cbdabbfa33"
 dependencies = [
  "bstr",
  "doc-comment",
@@ -412,9 +412,9 @@ dependencies = [
 name = "dictgen"
 version = "0.1.1"
 dependencies = [
- "phf 0.9.0",
+ "phf",
  "phf_codegen",
- "phf_shared 0.9.0",
+ "phf_shared",
  "unicase",
 ]
 
@@ -764,6 +764,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6595bb28ed34f43c3fe088e48f6cfb2e033cab45f25a5384d5fdf564fbc8c4b2"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.4.4"
@@ -808,6 +814,17 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "nom"
+version = "7.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffd9d26838a953b4af82cbeb9f1592c6798916983959be223a7124e992742c1"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+ "version_check",
+]
+
 [[package]]
 name = "normalize-line-endings"
 version = "0.3.0"
@@ -871,57 +888,38 @@ dependencies = [
 
 [[package]]
 name = "phf"
-version = "0.8.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
+checksum = "b9fc3db1018c4b59d7d582a739436478b6035138b6aecbce989fc91c3e98409f"
 dependencies = [
- "phf_shared 0.8.0",
-]
-
-[[package]]
-name = "phf"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2ac8b67553a7ca9457ce0e526948cad581819238f4a9d1ea74545851fa24f37"
-dependencies = [
- "phf_shared 0.9.0",
+ "phf_shared",
 ]
 
 [[package]]
 name = "phf_codegen"
-version = "0.9.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "963adb11cf22ee65dfd401cf75577c1aa0eca58c0b97f9337d2da61d3e640503"
+checksum = "4fb1c3a8bc4dd4e5cfce29b44ffc14bedd2ee294559a294e2a4d4c9e9a6a13cd"
 dependencies = [
  "phf_generator",
- "phf_shared 0.9.0",
+ "phf_shared",
 ]
 
 [[package]]
 name = "phf_generator"
-version = "0.9.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fc1437ada0f3a97d538f0bb608137bf53c53969028cab74c89893e1e9a12f0e"
+checksum = "5d5285893bb5eb82e6aaf5d59ee909a06a16737a8970984dd7746ba9283498d6"
 dependencies = [
- "phf_shared 0.9.0",
+ "phf_shared",
  "rand",
 ]
 
 [[package]]
 name = "phf_shared"
-version = "0.8.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
-dependencies = [
- "siphasher",
- "unicase",
-]
-
-[[package]]
-name = "phf_shared"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a68318426de33640f02be62b4ae8eb1261be2efbc337b60c54d845bf4484e0d9"
+checksum = "b6796ad771acdc0123d2a88dc428b5e38ef24456743ddb1744ed628f9815c096"
 dependencies = [
  "siphasher",
  "unicase",
@@ -1432,7 +1430,7 @@ dependencies = [
  "bstr",
  "itertools",
  "log",
- "nom",
+ "nom 7.0.0",
  "once_cell",
  "serde",
  "simdutf8",
@@ -1467,7 +1465,6 @@ dependencies = [
  "log",
  "maplit",
  "once_cell",
- "phf 0.8.0",
  "predicates",
  "proc-exit",
  "serde",
@@ -1609,7 +1606,7 @@ name = "varcon-core"
 version = "2.1.1"
 dependencies = [
  "enumflags2",
- "nom",
+ "nom 6.2.1",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index ee1b4ec..d4baef2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,6 @@ typos = { version = "^0.7", path = "crates/typos" }
 varcon-core = { version = "^2.0.0", path = "crates/varcon-core" }
 typos-dict = { version = "^0.6", path = "crates/typos-dict", optional = true }
 typos-vars = { version = "^0.7", path = "crates/typos-vars", optional = true }
-phf = { version = "0.8", features = ["unicase"] }
 unicase = "2.5"
 anyhow = "1.0"
 structopt = "0.3"
@@ -89,7 +88,7 @@ typed-arena = "2.0.1"
 
 [dev-dependencies]
 assert_fs = "1.0"
-assert_cmd = "1.0"
+assert_cmd = "2.0"
 predicates = "2.0"
 criterion = "0.3"
 maplit = "1.0"
diff --git a/crates/dictgen/Cargo.toml b/crates/dictgen/Cargo.toml
index ec4fd33..cd449c6 100644
--- a/crates/dictgen/Cargo.toml
+++ b/crates/dictgen/Cargo.toml
@@ -16,6 +16,6 @@ map = ["phf", "phf_shared"]
 
 [dependencies]
 unicase = "2.5"
-phf = { version = "0.9", features = ["unicase"], optional = true }
-phf_codegen = { version = "0.9", optional = true }
-phf_shared = { version = "0.9", optional = true }
+phf = { version = "0.10", features = ["unicase"], optional = true }
+phf_codegen = { version = "0.10", optional = true }
+phf_shared = { version = "0.10", optional = true }
diff --git a/crates/typos/Cargo.toml b/crates/typos/Cargo.toml
index 8cf9d32..0254fa0 100644
--- a/crates/typos/Cargo.toml
+++ b/crates/typos/Cargo.toml
@@ -16,7 +16,7 @@ codecov = { repository = "crate-ci/typos" }
 [dependencies]
 anyhow = "1.0"
 thiserror = "1.0"
-nom = "6.0"
+nom = "7.0"
 unicode-xid = "0.2.2"
 once_cell = "1.2.0"
 serde = { version = "1.0", features = ["derive"] }