diff --git a/Cargo.lock b/Cargo.lock
index b286bb8..1275371 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,9 +37,15 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "base64"
-version = "0.21.3"
+version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "414dcefbc63d77c526a76b3afcf6fbb9b5e2791c19c3aa2297733208750c6e53"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
+[[package]]
+name = "base64"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9475866fec1451be56a3c2400fd081ff546538961565ccb5b7142cbd22bc7a51"
 
 [[package]]
 name = "bitflags"
@@ -86,9 +92,9 @@ dependencies = [
 
 [[package]]
 name = "core-foundation"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -96,9 +102,9 @@ dependencies = [
 
 [[package]]
 name = "core-foundation-sys"
-version = "0.8.4"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
+checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
 [[package]]
 name = "env_logger"
@@ -149,9 +155,9 @@ checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
 [[package]]
 name = "log"
-version = "0.4.20"
+version = "0.4.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
+checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
 
 [[package]]
 name = "memchr"
@@ -191,9 +197,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.18.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "openssl-probe"
@@ -295,7 +301,7 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35e4980fa29e4c4b212ffb3db068a564cbf560e51d3944b7c88bd8bf5bec64f4"
 dependencies = [
- "base64",
+ "base64 0.21.7",
  "rustls-pki-types",
 ]
 
@@ -310,7 +316,7 @@ name = "rustls-platform-verifier"
 version = "0.3.1"
 dependencies = [
  "android_logger",
- "base64",
+ "base64 0.22.0",
  "core-foundation",
  "core-foundation-sys",
  "jni",
@@ -456,9 +462,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "webpki-roots"
-version = "0.26.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0de2cfda980f21be5a7ed2eadb3e6fe074d56022bea2cdeb1a62eb220fc04188"
+checksum = "b3de34ae270483955a94f4b21bdaaeb83d508bb84a01435f393818edb0012009"
 dependencies = [
  "rustls-pki-types",
 ]
diff --git a/rustls-platform-verifier/Cargo.toml b/rustls-platform-verifier/Cargo.toml
index b9f58e5..9299093 100644
--- a/rustls-platform-verifier/Cargo.toml
+++ b/rustls-platform-verifier/Cargo.toml
@@ -31,9 +31,9 @@ docsrs = ["jni"]
 [dependencies]
 rustls = { version = "0.23", default-features = false, features = ["std"] }
 log = { version = "0.4" }
-base64 = { version = "0.21", optional = true } # Only used when the `cert-logging` feature is enabled.
+base64 = { version = "0.22", optional = true } # Only used when the `cert-logging` feature is enabled.
 jni = { version = "0.19", default-features = false, optional = true } # Only used during doc generation
-once_cell = "1.9"
+once_cell = "1.19"
 
 [target.'cfg(all(unix, not(target_os = "android"), not(target_os = "macos"), not(target_os = "ios"), not(target_os = "tvos")))'.dependencies]
 rustls-native-certs = "0.7"