diff --git a/Cargo.lock b/Cargo.lock
index cb2c56f4c7..27829a9a8d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2062,12 +2062,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.8.2"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6012d540c5baa3589337a98ce73408de9b5a25ec9fc2c6fd6be8f0d39e0ca5a"
+checksum = "6c6392766afd7964e2531940894cffe4bd8d7d17dbc3c1c4857040fd4b33bdb3"
 dependencies = [
  "autocfg",
- "hashbrown 0.11.2",
+ "hashbrown 0.12.1",
 ]
 
 [[package]]
@@ -6319,7 +6319,6 @@ dependencies = [
  "futures-task",
  "futures-util",
  "getrandom",
- "hashbrown 0.11.2",
  "hashbrown 0.12.1",
  "heck",
  "hyper",
diff --git a/schema/Cargo.toml b/schema/Cargo.toml
index 80632b9e73..9976806b07 100644
--- a/schema/Cargo.toml
+++ b/schema/Cargo.toml
@@ -8,7 +8,7 @@ description = "IOx Schema definition"
 [dependencies]
 arrow = { version = "16.0.0", features = ["prettyprint"] }
 hashbrown = "0.12"
-indexmap = { version = "1.8", features = ["std"] }
+indexmap = { version = "1.9", features = ["std"] }
 itertools = "0.10.1"
 observability_deps = { path = "../observability_deps" }
 snafu = "0.7"
diff --git a/workspace-hack/Cargo.toml b/workspace-hack/Cargo.toml
index 77795f34ac..12844927b3 100644
--- a/workspace-hack/Cargo.toml
+++ b/workspace-hack/Cargo.toml
@@ -29,8 +29,7 @@ futures-core = { version = "0.3", features = ["alloc", "std"] }
 futures-sink = { version = "0.3", features = ["alloc", "std"] }
 futures-task = { version = "0.3", default-features = false, features = ["alloc", "std"] }
 futures-util = { version = "0.3", features = ["alloc", "async-await", "async-await-macro", "channel", "futures-channel", "futures-io", "futures-macro", "futures-sink", "io", "memchr", "sink", "slab", "std"] }
-hashbrown-a6292c17cd707f01 = { package = "hashbrown", version = "0.11", features = ["ahash", "inline-more", "raw"] }
-hashbrown-5ef9efb8ec2df382 = { package = "hashbrown", version = "0.12", features = ["ahash", "inline-more", "raw"] }
+hashbrown = { version = "0.12", features = ["ahash", "inline-more", "raw"] }
 hyper = { version = "0.14", features = ["client", "full", "h2", "http1", "http2", "runtime", "server", "socket2", "stream", "tcp"] }
 indexmap = { version = "1", default-features = false, features = ["std"] }
 libc = { version = "0.2", features = ["extra_traits", "std"] }
@@ -89,7 +88,7 @@ futures-core = { version = "0.3", features = ["alloc", "std"] }
 futures-sink = { version = "0.3", features = ["alloc", "std"] }
 futures-task = { version = "0.3", default-features = false, features = ["alloc", "std"] }
 futures-util = { version = "0.3", features = ["alloc", "async-await", "async-await-macro", "channel", "futures-channel", "futures-io", "futures-macro", "futures-sink", "io", "memchr", "sink", "slab", "std"] }
-hashbrown-a6292c17cd707f01 = { package = "hashbrown", version = "0.11", features = ["ahash", "inline-more", "raw"] }
+hashbrown = { version = "0.12", features = ["ahash", "inline-more", "raw"] }
 heck = { version = "0.4", features = ["unicode", "unicode-segmentation"] }
 indexmap = { version = "1", default-features = false, features = ["std"] }
 libc = { version = "0.2", features = ["extra_traits", "std"] }