diff --git a/Cargo.lock b/Cargo.lock
index 43e39fef..2b884941 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -381,30 +381,6 @@ dependencies = [
  "termcolor",
 ]
 
-[[package]]
-name = "fastrand"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "779d043b6a0b90cc4c0ed7ee380a6504394cee7efd7db050e3774eee387324b2"
-dependencies = [
- "instant",
-]
-
-[[package]]
-name = "foreign-types"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
-dependencies = [
- "foreign-types-shared",
-]
-
-[[package]]
-name = "foreign-types-shared"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
-
 [[package]]
 name = "form_urlencoded"
 version = "1.0.1"
@@ -706,24 +682,6 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76aacdf8f9850a9db34e33e35abfc17a29b9577d0eb2cbfaeb734662cacca5b3"
 
-[[package]]
-name = "native-tls"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
-dependencies = [
- "lazy_static",
- "libc",
- "log",
- "openssl",
- "openssl-probe",
- "openssl-sys",
- "schannel",
- "security-framework",
- "security-framework-sys",
- "tempfile",
-]
-
 [[package]]
 name = "nom"
 version = "7.1.0"
@@ -766,39 +724,12 @@ version = "11.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
-[[package]]
-name = "openssl"
-version = "0.10.38"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c7ae222234c30df141154f159066c5093ff73b63204dcda7121eb082fc56a95"
-dependencies = [
- "bitflags",
- "cfg-if",
- "foreign-types",
- "libc",
- "once_cell",
- "openssl-sys",
-]
-
 [[package]]
 name = "openssl-probe"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
-[[package]]
-name = "openssl-sys"
-version = "0.9.72"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e46109c383602735fa0a2e48dd2b7c892b048e1bf69e5c3b1d804b7d9c203cb"
-dependencies = [
- "autocfg",
- "cc",
- "libc",
- "pkg-config",
- "vcpkg",
-]
-
 [[package]]
 name = "os_str_bytes"
 version = "6.0.0"
@@ -815,7 +746,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a383bc499356ce6bc89ea95695c08f68e6c8602923fab7862ffcec94f8ef5502"
 dependencies = [
  "httparse",
- "native-tls",
  "rustls",
  "rustls-native-certs",
  "url",
@@ -1005,12 +935,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
-[[package]]
-name = "pkg-config"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58893f751c9b0412871a09abd62ecd2a00298c6c83befa223ef98c52aef40cbe"
-
 [[package]]
 name = "plotters"
 version = "0.3.1"
@@ -1256,15 +1180,6 @@ version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
-[[package]]
-name = "remove_dir_all"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "resiter"
 version = "0.4.0"
@@ -1592,20 +1507,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "tempfile"
-version = "3.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
-dependencies = [
- "cfg-if",
- "fastrand",
- "libc",
- "redox_syscall",
- "remove_dir_all",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "term"
 version = "0.2.14"
@@ -1762,12 +1663,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "vcpkg"
-version = "0.2.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
-
 [[package]]
 name = "vec_map"
 version = "0.8.2"
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 0c69a7f2..e2c4afef 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -12,7 +12,7 @@ Oxigraph SPARQL HTTP server
 edition = "2021"
 
 [dependencies]
-oxhttp = { version = "0.1", features = ["native-tls"] }
+oxhttp = "0.1"
 clap = { version = "3", features = ["derive"] }
 oxigraph = { version = "0.3.0-dev", path = "../lib", features = ["http_client"] }
 rand = "0.8"