diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 630ad1141..7960b87bf 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -44,12 +44,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        # `test_apis_up_to_date` needs a full history for the gitstubs
+        fetch-depth: 0
     - name: Build
       run: cargo build --verbose
     - name: Build mock-only server
       run: cargo build -p propolis-mock-server --verbose
     - name: Test Libraries
       run: cargo test --lib --verbose
+    - name: Test everything
+      run: cargo test --locked
   # Build and test propolis-the-library on its own; `cargo test --lib` as used
   # above builds the entire workspace, meaning propolis-server default features
   # are used to build and run propolis-lib tests. Instead, this check uses
diff --git a/Cargo.lock b/Cargo.lock
index c6320d360..b3dd63387 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2032,9 +2032,9 @@ dependencies = [
 
 [[package]]
 name = "dropshot-api-manager"
-version = "0.7.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27edffb6c55e640e420fb4a03ac0a066449100e936457e2db074ab8f5f208c8a"
+checksum = "bf576868db63e888512129acd5f59e36e61b7d1ac285239e76ed40dc43d7b2e8"
 dependencies = [
  "anyhow",
  "atomicwrites",
@@ -2042,7 +2042,7 @@ dependencies = [
  "clap",
  "debug-ignore",
  "drift",
- "dropshot 0.17.0",
+ "dropshot 0.16.7",
  "dropshot-api-manager-types",
  "fs-err",
  "git-stub",
@@ -2065,9 +2065,9 @@ dependencies = [
 
 [[package]]
 name = "dropshot-api-manager-types"
-version = "0.7.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63d655f88937cd3cc3a99b81f731af996084f2f16d0067b2cfad43411ad4317f"
+checksum = "a04cc5bc280e21332f33acfd180705a9e8ace302e9eb08000786135d27497731"
 dependencies = [
  "anyhow",
  "camino",
@@ -5796,7 +5796,7 @@ dependencies = [
  "camino",
  "cfg-if",
  "cpuid_utils",
- "dropshot 0.17.0",
+ "dropshot 0.16.7",
  "errno 0.2.8",
  "fatfs",
  "flate2",
@@ -5878,7 +5878,7 @@ dependencies = [
  "byteorder",
  "chrono",
  "cpuid_utils",
- "dropshot 0.17.0",
+ "dropshot 0.16.7",
  "futures",
  "http",
  "itertools 0.13.0",
@@ -6585,7 +6585,7 @@ dependencies = [
  "atty",
  "base64 0.21.7",
  "clap",
- "dropshot 0.17.0",
+ "dropshot 0.16.7",
  "futures",
  "hyper",
  "progenitor 0.13.0",
@@ -6637,7 +6637,7 @@ dependencies = [
  "const_format",
  "cpuid_utils",
  "crucible-client-types 0.1.0 (git+https://github.com/oxidecomputer/crucible?rev=ae1da83e66c648574827298f4bc444632bf4d047)",
- "dropshot 0.17.0",
+ "dropshot 0.16.7",
  "erased-serde 0.4.5",
  "expectorate",
  "futures",
@@ -6693,7 +6693,7 @@ name = "propolis-server-api"
 version = "0.1.0"
 dependencies = [
  "crucible-client-types 0.1.0 (git+https://github.com/oxidecomputer/crucible?rev=ae1da83e66c648574827298f4bc444632bf4d047)",
- "dropshot 0.17.0",
+ "dropshot 0.16.7",
  "dropshot-api-manager-types",
  "propolis-api-types-versions",
 ]
@@ -7253,7 +7253,7 @@ dependencies = [
  "ascii",
  "bitflags 2.9.4",
  "clap",
- "dropshot 0.17.0",
+ "dropshot 0.16.7",
  "futures",
  "image",
  "rgb_frame",
@@ -8446,7 +8446,7 @@ version = "0.8.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c1c97747dbf44bb1ca44a561ece23508e99cb592e862f22222dcf42f51d1e451"
 dependencies = [
- "heck 0.4.1",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
  "syn 2.0.117",
diff --git a/Cargo.toml b/Cargo.toml
index 83c87705c..03af247ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -121,9 +121,9 @@ clap = "4.2"
 const_format = "0.2"
 crossbeam-channel = "0.5"
 ctrlc = "3.2"
-dropshot = "0.17.0"
-dropshot-api-manager = "0.7.0"
-dropshot-api-manager-types = "0.7.0"
+dropshot = "0.16.7"
+dropshot-api-manager = "0.6.0"
+dropshot-api-manager-types = "0.6.0"
 erased-serde = "0.4"
 errno = "0.2.8"
 escargot = "0.5.8"
diff --git a/bin/mock-server/src/main.rs b/bin/mock-server/src/main.rs
index 6fa9917d8..32dc8bfa8 100644
--- a/bin/mock-server/src/main.rs
+++ b/bin/mock-server/src/main.rs
@@ -8,9 +8,7 @@ use std::sync::Arc;
 
 use anyhow::anyhow;
 use clap::Parser;
-use dropshot::{
-    CompressionConfig, ConfigDropshot, HandlerTaskMode, HttpServerStarter,
-};
+use dropshot::{ConfigDropshot, HandlerTaskMode, HttpServerStarter};
 use slog::{info, Drain};
 
 #[derive(Debug, Parser)]
@@ -115,7 +113,6 @@ async fn main() -> anyhow::Result<()> {
                 default_request_body_max_bytes: 1024 * 1024, // 1M for ISO bytes
                 default_handler_task_mode: HandlerTaskMode::Detached,
                 log_headers: vec![],
-                compression: CompressionConfig::None,
             };
 
             let log = build_logger();
diff --git a/bin/propolis-server/src/main.rs b/bin/propolis-server/src/main.rs
index 4aa0c9e0a..d4c742a14 100644
--- a/bin/propolis-server/src/main.rs
+++ b/bin/propolis-server/src/main.rs
@@ -20,8 +20,8 @@ use propolis_server::{
 use anyhow::{anyhow, Context};
 use clap::Parser;
 use dropshot::{
-    ClientSpecifiesVersionInHeader, CompressionConfig, ConfigDropshot,
-    HandlerTaskMode, VersionPolicy,
+    ClientSpecifiesVersionInHeader, ConfigDropshot, HandlerTaskMode,
+    VersionPolicy,
 };
 use slog::{info, Logger};
 
@@ -312,7 +312,6 @@ fn main() -> anyhow::Result<()> {
                 default_request_body_max_bytes: 1024 * 1024, // 1M for ISO bytes
                 default_handler_task_mode: HandlerTaskMode::Detached,
                 log_headers: vec![],
-                compression: CompressionConfig::None,
             };
 
             let log = build_logger(log_level);