diff --git a/Cargo.lock b/Cargo.lock
index 44fceba..0358cbd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5615,9 +5615,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.81"
+version = "1.0.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
+checksum = "1c533a59c9d8a93a09c6ab31f0fd5e5f4dd1b8fc9434804029839884765d04ea"
 dependencies = [
  "indexmap",
  "itoa 1.0.1",
diff --git a/src/audit-log/Cargo.toml b/src/audit-log/Cargo.toml
index 8332a4d..a3150e4 100644
--- a/src/audit-log/Cargo.toml
+++ b/src/audit-log/Cargo.toml
@@ -10,5 +10,5 @@ publish = false
 anyhow = "1.0.58"
 mz-ore = { path = "../ore" }
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 serde_plain = "1.0.0"
diff --git a/src/avro/Cargo.toml b/src/avro/Cargo.toml
index 44e4025..4ff3157 100644
--- a/src/avro/Cargo.toml
+++ b/src/avro/Cargo.toml
@@ -24,7 +24,7 @@ itertools = "0.10.3"
 rand = "0.8.5"
 regex = "1.5.6"
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 sha2 = "0.10.2"
 snap = { version = "1.0.5", optional = true }
 tracing = "0.1.35"
diff --git a/src/ccsr/Cargo.toml b/src/ccsr/Cargo.toml
index afdc25f..64a1767 100644
--- a/src/ccsr/Cargo.toml
+++ b/src/ccsr/Cargo.toml
@@ -12,14 +12,14 @@ native-tls = "0.2.10"
 openssl = { version = "0.10.40", features = ["vendored"] }
 reqwest = { version = "0.11.11", features = ["blocking", "json", "native-tls-vendored"] }
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 url = { version = "2.2.2", features = ["serde"] }
 
 [dev-dependencies]
 hyper = { version = "0.14.19", features = ["server"] }
 once_cell = "1.12.0"
 mz-ore = { path = "../ore", features = ["task"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 tokio = { version = "1.19.2", features = ["macros"] }
 tracing = "0.1.35"
 
diff --git a/src/coord/Cargo.toml b/src/coord/Cargo.toml
index 962c63b..4b64b7b 100644
--- a/src/coord/Cargo.toml
+++ b/src/coord/Cargo.toml
@@ -43,7 +43,7 @@ regex = "1.5.6"
 rusqlite = { version = "0.27.0", features = ["bundled", "unlock_notify"] }
 semver = "1.0.10"
 serde = "1.0.137"
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 timely = { git = "https://github.com/TimelyDataflow/timely-dataflow", default-features = false, features = ["bincode"] }
 tokio = { version = "1.19.2", features = ["rt", "time"] }
 tokio-postgres = { git = "https://github.com/MaterializeInc/rust-postgres" }
diff --git a/src/dataflow-types/Cargo.toml b/src/dataflow-types/Cargo.toml
index d369505..7d72f49 100644
--- a/src/dataflow-types/Cargo.toml
+++ b/src/dataflow-types/Cargo.toml
@@ -47,7 +47,7 @@ prost = "0.10.3"
 regex = "1.5.6"
 rdkafka = { git = "https://github.com/fede1024/rust-rdkafka.git" }
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 timely = { git = "https://github.com/TimelyDataflow/timely-dataflow", default-features = false, features = ["bincode"] }
 tokio = "1.19.2"
 tokio-stream = "0.1.9"
diff --git a/src/environmentd/Cargo.toml b/src/environmentd/Cargo.toml
index a679c66..e8f6b0f 100644
--- a/src/environmentd/Cargo.toml
+++ b/src/environmentd/Cargo.toml
@@ -59,7 +59,7 @@ rdkafka-sys = { git = "https://github.com/fede1024/rust-rdkafka.git", features =
 reqwest = { version = "0.11.11", features = ["json"] }
 rlimit = "0.8.3"
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 shell-words = "1.1.0"
 sysctl = "0.4.4"
 sysinfo = "0.24.5"
@@ -102,7 +102,7 @@ predicates = "2.1.1"
 rand = "0.8.5"
 regex = "1.5.6"
 reqwest = { version = "0.11.11", features = ["blocking"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 tokio-postgres = { git = "https://github.com/MaterializeInc/rust-postgres", features = ["with-chrono-0_4"] }
 
 [build-dependencies]
diff --git a/src/expr-test-util/Cargo.toml b/src/expr-test-util/Cargo.toml
index 6109040..f7ae221 100644
--- a/src/expr-test-util/Cargo.toml
+++ b/src/expr-test-util/Cargo.toml
@@ -14,7 +14,7 @@ mz-repr = { path = "../repr" }
 mz-repr-test-util = { path = "../repr-test-util" }
 proc-macro2 = "1.0.40"
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 
 [dev-dependencies]
 datadriven = "0.6.0"
diff --git a/src/expr/Cargo.toml b/src/expr/Cargo.toml
index 5abb5c9..346f55c 100644
--- a/src/expr/Cargo.toml
+++ b/src/expr/Cargo.toml
@@ -40,7 +40,7 @@ prost = "0.10.3"
 regex = "1.5.6"
 regex-syntax = "0.6.25"
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 serde_regex = "1.1.0"
 sha-1 = "0.10.0"
 sha2 = "0.10.2"
diff --git a/src/interchange/Cargo.toml b/src/interchange/Cargo.toml
index 387234e..e14c4cf 100644
--- a/src/interchange/Cargo.toml
+++ b/src/interchange/Cargo.toml
@@ -28,7 +28,7 @@ mz-repr = { path = "../repr" }
 ordered-float = { version = "3.0.0", features = ["serde"] }
 prost = "0.10.3"
 prost-reflect = "0.8.1"
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 timely = { git = "https://github.com/TimelyDataflow/timely-dataflow", default-features = false, features = ["bincode"] }
 tracing = "0.1.35"
 uuid = { version = "1.1.2", features = ["serde"] }
diff --git a/src/kafka-util/Cargo.toml b/src/kafka-util/Cargo.toml
index da31243..21cdd2a 100644
--- a/src/kafka-util/Cargo.toml
+++ b/src/kafka-util/Cargo.toml
@@ -22,7 +22,7 @@ prost = "0.10.1"
 rand = "0.8.5"
 rdkafka = { git = "https://github.com/fede1024/rust-rdkafka.git", features = ["cmake-build", "ssl-vendored", "libz-static", "zstd"] }
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 tokio = { version = "1.19.2", features = ["macros"] }
 thiserror = "1.0.31"
 tracing = "0.1.35"
diff --git a/src/lowertest/Cargo.toml b/src/lowertest/Cargo.toml
index b8b771a..1643a09 100644
--- a/src/lowertest/Cargo.toml
+++ b/src/lowertest/Cargo.toml
@@ -11,7 +11,7 @@ mz-lowertest-derive = { path = "../lowertest-derive" }
 mz-ore = { path = "../ore" }
 proc-macro2 = "1.0.40"
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 
 [dev-dependencies]
 anyhow = "1.0.58"
diff --git a/src/orchestrator-kubernetes/Cargo.toml b/src/orchestrator-kubernetes/Cargo.toml
index 0aa1d33..ea057f8 100644
--- a/src/orchestrator-kubernetes/Cargo.toml
+++ b/src/orchestrator-kubernetes/Cargo.toml
@@ -15,5 +15,5 @@ futures = "0.3.21"
 mz-orchestrator = { path = "../orchestrator" }
 k8s-openapi = { version = "0.15.0", features = ["v1_22"] }
 kube = { version = "0.73.1", features = ["runtime", "ws"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 sha2 = "0.10.2"
diff --git a/src/orchestrator-process/Cargo.toml b/src/orchestrator-process/Cargo.toml
index 1aba003..ce2b136 100644
--- a/src/orchestrator-process/Cargo.toml
+++ b/src/orchestrator-process/Cargo.toml
@@ -16,7 +16,7 @@ itertools = "0.10.3"
 mz-orchestrator = { path = "../orchestrator" }
 mz-ore = { path = "../ore" }
 mz-pid-file = { path = "../pid-file" }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 scopeguard = "1.1.0"
 sysinfo = "0.24.5"
 tokio = "1.19.2"
diff --git a/src/persist-client/Cargo.toml b/src/persist-client/Cargo.toml
index 18428e8..9cf11b6 100644
--- a/src/persist-client/Cargo.toml
+++ b/src/persist-client/Cargo.toml
@@ -64,5 +64,5 @@ mz-orchestrator-tracing = { path = "../orchestrator-tracing" }
 mz-ore = { path = "../ore", features = ["tracing_"] }
 num_cpus = "1.13.1"
 num_enum = "0.5.7"
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 tempfile = "3.2.0"
diff --git a/src/persist/Cargo.toml b/src/persist/Cargo.toml
index 2baf798..06a0c10 100644
--- a/src/persist/Cargo.toml
+++ b/src/persist/Cargo.toml
@@ -51,7 +51,7 @@ uuid = { version = "1.1.2", features = ["v4"] }
 [dev-dependencies]
 criterion = { git = "https://github.com/MaterializeInc/criterion.rs.git", features = ["html_reports"] }
 mz-ore = { path = "../ore", default-features = false, features = ["test"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 tempfile = "3.2.0"
 
 [build-dependencies]
diff --git a/src/pgtest/Cargo.toml b/src/pgtest/Cargo.toml
index ad31fda..4ae9458 100644
--- a/src/pgtest/Cargo.toml
+++ b/src/pgtest/Cargo.toml
@@ -15,4 +15,4 @@ fallible-iterator = "0.2.0"
 mz-ore = { path = "../ore" }
 postgres-protocol = { git = "https://github.com/MaterializeInc/rust-postgres" }
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
diff --git a/src/proto/Cargo.toml b/src/proto/Cargo.toml
index 91aa5ae..40477ad 100644
--- a/src/proto/Cargo.toml
+++ b/src/proto/Cargo.toml
@@ -15,7 +15,7 @@ mz-ore = { path = "../ore", default-features = false }
 proptest = { git = "https://github.com/MaterializeInc/proptest.git", default-features = false, features = ["std"] }
 prost = "0.10.3"
 regex = "1.5.6"
-serde_json = { version = "1.0.81", features = ["arbitrary_precision"] }
+serde_json = { version = "1.0.94", features = ["arbitrary_precision"] }
 url = { version = "2.2.2", features = ["serde"] }
 uuid = "1.1.2"
 
diff --git a/src/repr/Cargo.toml b/src/repr/Cargo.toml
index ceb6a55..ae13928 100644
--- a/src/repr/Cargo.toml
+++ b/src/repr/Cargo.toml
@@ -38,7 +38,7 @@ prost = "0.10.3"
 regex = "1.5.6"
 ryu = "1.0.10"
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = { version = "1.0.81", features = ["arbitrary_precision"] }
+serde_json = { version = "1.0.94", features = ["arbitrary_precision"] }
 serde_regex = "1.1.0"
 smallvec = { version = "1.8.1", features = ["serde", "union"] }
 url = { version = "2.2.2", features = ["serde"] }
diff --git a/src/sql/Cargo.toml b/src/sql/Cargo.toml
index 59ed266..60e17c9 100644
--- a/src/sql/Cargo.toml
+++ b/src/sql/Cargo.toml
@@ -37,7 +37,7 @@ rdkafka = { git = "https://github.com/fede1024/rust-rdkafka.git", features = ["c
 regex = "1.5.6"
 reqwest = "0.11.11"
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 tokio = { version = "1.19.2", features = ["fs"] }
 tracing = "0.1.35"
 typemap_rev = "0.1.5"
diff --git a/src/sqllogictest/Cargo.toml b/src/sqllogictest/Cargo.toml
index dcf7348..1ca8f39 100644
--- a/src/sqllogictest/Cargo.toml
+++ b/src/sqllogictest/Cargo.toml
@@ -26,7 +26,7 @@ mz-repr = { path = "../repr" }
 mz-sql = { path = "../sql" }
 postgres-protocol = { git = "https://github.com/MaterializeInc/rust-postgres" }
 regex = "1.5.6"
-serde_json = "1.0.81"
+serde_json = "1.0.94"
 tempfile = "3.2.0"
 time = "0.3.11"
 tokio = "1.19.2"
diff --git a/src/storage/Cargo.toml b/src/storage/Cargo.toml
index 4166aaf..3792499 100644
--- a/src/storage/Cargo.toml
+++ b/src/storage/Cargo.toml
@@ -48,7 +48,7 @@ pubnub-hyper = { git = "https://github.com/MaterializeInc/pubnub-rust", default-
 rdkafka = { git = "https://github.com/fede1024/rust-rdkafka.git", features = ["cmake-build", "ssl-vendored", "libz-static", "zstd"], optional = true }
 regex = { version = "1.5.6", optional = true }
 serde = { version = "1.0.137", features = ["derive"] }
-serde_json = { version = "1.0.81", optional = true }
+serde_json = { version = "1.0.94", optional = true }
 tempfile = { version = "3.2.0", optional = true }
 timely = { git = "https://github.com/TimelyDataflow/timely-dataflow", default-features = false, features = ["bincode"] }
 tokio = { version = "1.19.2", features = ["fs", "rt", "sync", "test-util"] }
diff --git a/src/testdrive/Cargo.toml b/src/testdrive/Cargo.toml
index 62817f1..8aa93b3 100644
--- a/src/testdrive/Cargo.toml
+++ b/src/testdrive/Cargo.toml
@@ -56,7 +56,7 @@ rdkafka = { git = "https://github.com/fede1024/rust-rdkafka.git", features = ["c
 regex = "1.5.6"
 reqwest = { version = "0.11.11", features = ["native-tls-vendored"] }
 serde = "1.0.137"
-serde_json = { version = "1.0.81", features = ["raw_value"] }
+serde_json = { version = "1.0.94", features = ["raw_value"] }
 similar = "2.1.0"
 tempfile = "3.2.0"
 termcolor = "1.1.3"
diff --git a/src/transform/Cargo.toml b/src/transform/Cargo.toml
index 9bd2fc8..9498f58 100644
--- a/src/transform/Cargo.toml
+++ b/src/transform/Cargo.toml
@@ -22,4 +22,4 @@ mz-expr-test-util = { path = "../expr-test-util" }
 mz-lowertest = { path = "../lowertest" }
 mz-ore = { path = "../ore" }
 proc-macro2 = "1.0.40"
-serde_json = "1.0.81"
+serde_json = "1.0.94"