diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d8e3421..0cd3323c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 Pushpin Changelog
 =================
 
+v. 1.40.1 (2024-08-13)
+
+  * Fix build with recent rustc.
+
 v. 1.40.0 (2024-07-17)
 
   * Restore support for receiving chunked responses from backends.
diff --git a/Cargo.lock b/Cargo.lock
index 9140b093..68da2ed8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -429,6 +429,15 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
+dependencies = [
+ "powerfmt",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -777,6 +786,12 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -819,9 +834,9 @@ checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
 [[package]]
 name = "openssl"
-version = "0.10.60"
+version = "0.10.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79a4c6c3a2b158f7f8f2a2fc5a969fa3a068df6fc9dbb4a43845436e3af7c800"
+checksum = "9529f4786b70a3e8c61e11179af17ab6188ad8d0ded78c5529441ed39d4bd9c1"
 dependencies = [
  "bitflags 2.4.1",
  "cfg-if",
@@ -851,9 +866,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.99"
+version = "0.9.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22e1bf214306098e4832460f797824c05d25aacdf896f64a985fb0fd992454ae"
+checksum = "7f9e8deee91df40a943c71b917e5874b951d32a802526c85721ce3b776c929d6"
 dependencies = [
  "cc",
  "libc",
@@ -983,6 +998,12 @@ dependencies = [
  "plotters-backend",
 ]
 
+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.69"
@@ -994,7 +1015,7 @@ dependencies = [
 
 [[package]]
 name = "pushpin"
-version = "1.40.0-dev"
+version = "1.40.1-dev"
 dependencies = [
  "arrayvec",
  "base64 0.13.1",
@@ -1492,13 +1513,16 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.18"
+version = "0.3.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af0097eaf301d576d0b2aead7a59facab6d53cc636340f0291fab8446a2e8613"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
 dependencies = [
+ "deranged",
  "itoa",
  "libc",
+ "num-conv",
  "num_threads",
+ "powerfmt",
  "serde",
  "time-core",
  "time-macros",
@@ -1506,16 +1530,17 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.0"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.6"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d967f99f534ca7e495c575c62638eebc2898a8c84c119b89e250477bc4ba16b2"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
 dependencies = [
+ "num-conv",
  "time-core",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index baadf632..4214f1fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pushpin"
-version = "1.40.0-dev"
+version = "1.40.1-dev"
 authors = ["Justin Karneges <jkarneges@fastly.com>"]
 description = "Reverse proxy for realtime web services"
 repository = "https://github.com/fastly/pushpin"
@@ -30,7 +30,7 @@ libc = "0.2"
 log = "0.4"
 miniz_oxide = "0.6"
 mio = { version = "1", features = ["os-poll", "os-ext", "net"] }
-openssl = "0.10"
+openssl = "=0.10.66"
 paste = "1.0"
 rustls = "0.21"
 rustls-native-certs = "0.6"
@@ -41,7 +41,7 @@ signal-hook = "0.3"
 slab = "0.4"
 socket2 = "0.4"
 thiserror = "1.0"
-time = { version = "=0.3.18", features = ["formatting", "local-offset", "macros"] }
+time = { version = "0.3.36", features = ["formatting", "local-offset", "macros"] }
 url = "2.3"
 zmq = "0.9"
 
@@ -52,7 +52,7 @@ test-log = "0.2"
 
 [build-dependencies]
 pkg-config = "0.3"
-time = { version = "=0.3.18", features = ["formatting", "local-offset", "macros"] }
+time = { version = "0.3.36", features = ["formatting", "local-offset", "macros"] }
 cbindgen = "0.26"
 
 [[bench]]