--- a/Cargo.toml
+++ b/Cargo.toml
@@ -142,10 +142,10 @@ version = "3.0.4"
 version = "1.0"
 
 [dependencies.env_logger]
-version = "0.11.10"
+version = "0.11"
 
 [dependencies.home]
-version = "0.5.12"
+version = "0.5"
 
 [dependencies.indexmap]
 version = "2"
@@ -167,10 +167,9 @@ version = "1.0.228"
 version = "1.0.228"
 
 [dependencies.tame-index]
-version = "0.22.0"
+version = "0.26.0"
 features = [
     "sparse",
-    "native-certs",
     "local",
 ]
 
@@ -187,17 +186,17 @@ version = "0.25.11"
 version = "2.5.8"
 
 [dev-dependencies.cargo-test-support]
-version = "0.10.0"
+version = "0.8"
 
 [dev-dependencies.snapbox]
-version = "0.6.24"
+version = "0.6.21"
 features = [
     "cmd",
     "path",
 ]
 
 [dev-dependencies.trycmd]
-version = "1.2.0"
+version = "0.15"
 
 [lints.clippy]
 bool_assert_comparison = "allow"
--- a/src/index.rs
+++ b/src/index.rs
@@ -194,11 +194,6 @@ impl RemoteIndex {
         let client = {
             let builder = tame_index::external::reqwest::blocking::ClientBuilder::new();
 
-            let builder = match certs_source {
-                CertsSource::Webpki => builder.tls_built_in_webpki_certs(true),
-                CertsSource::Native => builder.tls_built_in_native_certs(true),
-            };
-
             builder.build()?
         };
 
