diff --git a/Cargo.lock b/Cargo.lock
index e41b257..707fbd6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -585,6 +585,9 @@ dependencies = [
  "ldap3",
  "md-5",
  "rand",
+ "rustls",
+ "rustls-webpki",
+ "sct",
  "secrecy",
  "serde",
  "sha2",
@@ -1017,7 +1020,7 @@ dependencies = [
  "log",
  "nom",
  "percent-encoding",
- "ring 0.16.20",
+ "ring",
  "rustls",
  "rustls-native-certs",
  "thiserror",
@@ -1510,25 +1513,11 @@ dependencies = [
  "libc",
  "once_cell",
  "spin 0.5.2",
- "untrusted 0.7.1",
+ "untrusted",
  "web-sys",
  "winapi",
 ]
 
-[[package]]
-name = "ring"
-version = "0.17.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "688c63d65483050968b2a8937f7995f443e27041a0f7700aa59b0822aedebb74"
-dependencies = [
- "cc",
- "getrandom",
- "libc",
- "spin 0.9.8",
- "untrusted 0.9.0",
- "windows-sys 0.48.0",
-]
-
 [[package]]
 name = "rsa"
 version = "0.9.6"
@@ -1579,12 +1568,12 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.21.10"
+version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9d5a6813c0759e4609cd494e8e725babae6a2ca7b62a5536a13daaec6fcb7ba"
+checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
 dependencies = [
  "log",
- "ring 0.17.7",
+ "ring",
  "rustls-webpki",
  "sct",
 ]
@@ -1612,12 +1601,12 @@ dependencies = [
 
 [[package]]
 name = "rustls-webpki"
-version = "0.101.7"
+version = "0.101.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b6275d1ee7a1cd780b64aca7726599a1dbc893b1e64144529e55c3c2f745765"
+checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
 dependencies = [
- "ring 0.17.7",
- "untrusted 0.9.0",
+ "ring",
+ "untrusted",
 ]
 
 [[package]]
@@ -1649,12 +1638,12 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "sct"
-version = "0.7.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
+checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
 dependencies = [
- "ring 0.17.7",
- "untrusted 0.9.0",
+ "ring",
+ "untrusted",
 ]
 
 [[package]]
@@ -2457,12 +2446,6 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
 
-[[package]]
-name = "untrusted"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
-
 [[package]]
 name = "url"
 version = "2.5.0"
diff --git a/Cargo.toml b/Cargo.toml
index 27a855f..2d23ba3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,3 +34,8 @@ toml = "0.8.10"
 tracing = "0.1.40"
 tracing-error = "0.2.0"
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
+
+# latest versions with ring 0.16
+rustls = "=0.21.7"
+rustls-webpki = "=0.101.6"
+sct = "=0.7.0"