diff --git a/Cargo.lock b/Cargo.lock
index eff7fb706cfe7..af744a3fd51a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4285,7 +4285,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4b0f83760fb341a774ed326568e19f5a863af4a952def8c39f9ab92fd95b88e5"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.1",
+ "hashbrown 0.15.3",
  "serde",
  "serde_core",
 ]
@@ -4577,9 +4577,9 @@ dependencies = [
 
 [[package]]
 name = "k8s-openapi"
-version = "0.26.1"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06d9e5e61dd037cdc51da0d7e2b2be10f497478ea7e120d85dad632adb99882b"
+checksum = "d13f06d5326a915becaffabdfab75051b8cdc260c2a5c06c0e90226ede89a692"
 dependencies = [
  "base64 0.22.1",
  "chrono",
@@ -13453,6 +13453,7 @@ dependencies = [
  "getrandom 0.3.3",
  "half 2.6.0",
  "hashbrown 0.14.5",
+ "hashbrown 0.15.3",
  "hyper 0.14.27",
  "hyper 1.8.1",
  "hyper-util",
diff --git a/src/cloud-resources/Cargo.toml b/src/cloud-resources/Cargo.toml
index c5706d410fd57..73e4872fa89f7 100644
--- a/src/cloud-resources/Cargo.toml
+++ b/src/cloud-resources/Cargo.toml
@@ -18,7 +18,7 @@ anyhow = "1.0.100"
 chrono = { version = "0.4.39", default-features = false }
 futures = "0.3.31"
 indexmap = { version = "2.10.0", default-features = false, features = ["std"] }
-k8s-openapi = { version = "0.26.1", features = ["schemars", "v1_31"] }
+k8s-openapi = { version = "0.26.0", features = ["schemars", "v1_31"] }
 kube = { version = "2.0.1", default-features = false, features = ["client", "derive", "openssl-tls", "ws", "runtime"] }
 mz-ore = { path = "../ore", default-features = false, features = ["async"] }
 mz-server-core = { path = "../server-core", default-features = false }
diff --git a/src/mz-debug/Cargo.toml b/src/mz-debug/Cargo.toml
index 906a34b7a7d2b..1fcf390ffad59 100644
--- a/src/mz-debug/Cargo.toml
+++ b/src/mz-debug/Cargo.toml
@@ -15,7 +15,7 @@ chrono = { version = "0.4.39", default-features = false }
 clap = { version = "4.5.23", features = ["derive", "env"] }
 csv-async = { version = "1.3.1", default-features = false, features = ["tokio"] }
 futures = "0.3.31"
-k8s-openapi = { version = "0.26.1", features = ["v1_31"] }
+k8s-openapi = { version = "0.26.0", features = ["v1_31"] }
 kube = { version = "2.0.1", default-features = false, features = ["client", "runtime"] }
 mz-build-info = { path = "../build-info" }
 mz-cloud-resources = { path = "../cloud-resources"}
diff --git a/src/orchestrator-kubernetes/Cargo.toml b/src/orchestrator-kubernetes/Cargo.toml
index f597c99bc9dcc..b90907ad9cc66 100644
--- a/src/orchestrator-kubernetes/Cargo.toml
+++ b/src/orchestrator-kubernetes/Cargo.toml
@@ -22,7 +22,7 @@ mz-orchestrator = { path = "../orchestrator", default-features = false }
 mz-ore = { path = "../ore", default-features = false, features = ["async"]  }
 mz-secrets = { path = "../secrets", default-features = false }
 mz-repr = { path = "../repr", default-features = false }
-k8s-openapi = { version = "0.26.1", features = ["v1_31"] }
+k8s-openapi = { version = "0.26.0", features = ["v1_31"] }
 kube = { version = "2.0.1", default-features = false, features = ["client", "runtime", "ws"] }
 reqwest = { version = "0.12.26", features = ["json"] }
 serde = { version = "1.0.219", features = ["derive"] }
diff --git a/src/orchestratord/Cargo.toml b/src/orchestratord/Cargo.toml
index 2e19eb6c36e02..35802812ba037 100644
--- a/src/orchestratord/Cargo.toml
+++ b/src/orchestratord/Cargo.toml
@@ -18,7 +18,7 @@ clap = { version = "4.5.23", features = ["derive"] }
 futures = "0.3.31"
 http = "1.4.0"
 k8s-controller = "0.9.0"
-k8s-openapi = { version = "0.26.1", features = ["v1_31"] }
+k8s-openapi = { version = "0.26.0", features = ["v1_31"] }
 kube = { version = "2.0.1", default-features = false, features = ["client", "runtime", "ws"] }
 maplit = "1.0.2"
 mz-alloc = { path = "../alloc", default-features = false }
diff --git a/src/workspace-hack/Cargo.toml b/src/workspace-hack/Cargo.toml
index c59d07731b86d..8ec02554a8587 100644
--- a/src/workspace-hack/Cargo.toml
+++ b/src/workspace-hack/Cargo.toml
@@ -76,7 +76,8 @@ futures-util = { version = "0.3.31", features = ["channel", "io", "sink"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3.3", default-features = false, features = ["std", "wasm_js"] }
 getrandom-6f8ce4dd05d13bba = { package = "getrandom", version = "0.2.16", default-features = false, features = ["std"] }
 half = { version = "2.6.0", features = ["num-traits"] }
-hashbrown = { version = "0.14.5", default-features = false, features = ["allocator-api2", "inline-more", "raw"] }
+hashbrown-3575ec1268b04181 = { package = "hashbrown", version = "0.15.3" }
+hashbrown-582f2526e08bb6a0 = { package = "hashbrown", version = "0.14.5", default-features = false, features = ["allocator-api2", "inline-more", "raw"] }
 hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.27", features = ["client", "http1", "http2", "stream", "tcp"] }
 hyper-util = { version = "0.1.19", features = ["client-legacy", "server-auto", "service", "tracing"] }
 insta = { version = "1.44.3", features = ["json"] }
@@ -222,7 +223,8 @@ futures-util = { version = "0.3.31", features = ["channel", "io", "sink"] }
 getrandom-468e82937335b1c9 = { package = "getrandom", version = "0.3.3", default-features = false, features = ["std", "wasm_js"] }
 getrandom-6f8ce4dd05d13bba = { package = "getrandom", version = "0.2.16", default-features = false, features = ["std"] }
 half = { version = "2.6.0", features = ["num-traits"] }
-hashbrown = { version = "0.14.5", default-features = false, features = ["allocator-api2", "inline-more", "raw"] }
+hashbrown-3575ec1268b04181 = { package = "hashbrown", version = "0.15.3" }
+hashbrown-582f2526e08bb6a0 = { package = "hashbrown", version = "0.14.5", default-features = false, features = ["allocator-api2", "inline-more", "raw"] }
 hyper-582f2526e08bb6a0 = { package = "hyper", version = "0.14.27", features = ["client", "http1", "http2", "stream", "tcp"] }
 hyper-util = { version = "0.1.19", features = ["client-legacy", "server-auto", "service", "tracing"] }
 insta = { version = "1.44.3", features = ["json"] }