diff --git a/arrow-flight/examples/data/ca.pem b/arrow-flight/examples/data/ca.pem
deleted file mode 100644
index d81956096677..000000000000
--- a/arrow-flight/examples/data/ca.pem
+++ /dev/null
@@ -1,28 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
diff --git a/arrow-flight/examples/data/ca_root.key b/arrow-flight/examples/data/ca_root.key
new file mode 100644
index 000000000000..b5ae14a8c500
--- /dev/null
+++ b/arrow-flight/examples/data/ca_root.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
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+VlViy6Cnn8Xj+CC3HnF1XppyWw==
+-----END PRIVATE KEY-----
diff --git a/arrow-flight/examples/data/ca_root.pem b/arrow-flight/examples/data/ca_root.pem
new file mode 100644
index 000000000000..2e16a2f74c5a
--- /dev/null
+++ b/arrow-flight/examples/data/ca_root.pem
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/arrow-flight/examples/data/client.key b/arrow-flight/examples/data/client.key
new file mode 100644
index 000000000000..88dc742fbc89
--- /dev/null
+++ b/arrow-flight/examples/data/client.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----
diff --git a/arrow-flight/examples/data/client.pem b/arrow-flight/examples/data/client.pem
new file mode 100644
index 000000000000..5ea6ccb9c3d5
--- /dev/null
+++ b/arrow-flight/examples/data/client.pem
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/arrow-flight/examples/data/client1.key b/arrow-flight/examples/data/client1.key
deleted file mode 100644
index f4d8da2758ac..000000000000
--- a/arrow-flight/examples/data/client1.key
+++ /dev/null
@@ -1,28 +0,0 @@
------BEGIN PRIVATE KEY-----
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-ojTkOvaUnwQtSFhNuzyr23I=
------END PRIVATE KEY-----
diff --git a/arrow-flight/examples/data/client1.pem b/arrow-flight/examples/data/client1.pem
deleted file mode 100644
index bb3b82c40c5a..000000000000
--- a/arrow-flight/examples/data/client1.pem
+++ /dev/null
@@ -1,19 +0,0 @@
------BEGIN CERTIFICATE-----
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-KJrFspGX8vOuSdIeqw==
------END CERTIFICATE-----
diff --git a/arrow-flight/examples/data/client_ca.pem b/arrow-flight/examples/data/client_ca.pem
deleted file mode 100644
index aa483b931056..000000000000
--- a/arrow-flight/examples/data/client_ca.pem
+++ /dev/null
@@ -1,19 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDGzCCAgOgAwIBAgIRAMNWpWRu6Q1txEYUyrkyXKEwDQYJKoZIhvcNAQELBQAw
-JzElMCMGA1UEAxMcVG9uaWMgRXhhbXBsZSBDbGllbnQgUm9vdCBDQTAeFw0xOTEw
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-L/zZVQfZYpdxlBHJlDC1/NzVQl/1MgDnSgPGStZKPQ==
------END CERTIFICATE-----
diff --git a/arrow-flight/examples/data/gen_certs.sh b/arrow-flight/examples/data/gen_certs.sh
new file mode 100644
index 000000000000..7b50652aa62c
--- /dev/null
+++ b/arrow-flight/examples/data/gen_certs.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# source: https://users.rust-lang.org/t/use-tokio-tungstenite-with-rustls-instead-of-native-tls-for-secure-websockets/90130
+
+make_and_sign() {
+    # Create unencrypted private key and a CSR (certificate signing request)
+    openssl req -newkey rsa:2048 -nodes -subj "/C=FI/CN=vahid" -keyout "$1.key" -out "$1.csr"
+
+    # Create self-signed certificate (`$1.pem`) with the private key and CSR
+    openssl x509 -signkey "$1.key" -in "$1.csr" -req -days 365 -out "$1.pem"
+
+    # Sign the CSR (`$1.pem`) with the root CA certificate and private key
+    # => this overwrites `$1.pem` because it gets signed
+    openssl x509 -req -CA ca_root.pem -CAkey ca_root.key -in "$1.csr" -out "$1.pem" -days 1825 -CAcreateserial -extfile localhost.ext
+}
+
+# Create a self-signed root CA
+openssl req -x509 -sha256 -nodes -subj "/C=FI/CN=vahid" -days 1825 -newkey rsa:2048 -keyout ca_root.key -out ca_root.pem
+
+# Create file localhost.ext with the following content:
+cat <<'EOF' > localhost.ext
+authorityKeyIdentifier=keyid,issuer
+basicConstraints=CA:FALSE
+subjectAltName = @alt_names
+[alt_names]
+DNS.1 = localhost
+EOF
+
+make_and_sign client
+make_and_sign server
diff --git a/arrow-flight/examples/data/server.key b/arrow-flight/examples/data/server.key
index 80984ef9000d..e8ea69c18a7f 100644
--- a/arrow-flight/examples/data/server.key
+++ b/arrow-flight/examples/data/server.key
@@ -1,28 +1,28 @@
 -----BEGIN PRIVATE KEY-----
-MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDyptbMyYWztgta
-t1MXLMzIkaQdeeVbs1Y/qCpAdwZe/Y5ZpbzjGIjCxbB6vNRSnEbYKpytKHPzYfM7
-8d8K8bPvpnqXIiTXFT0JQlw1OHLC1fr4e598GJumAmpMYFrtqv0fbmUFTuQGbHxe
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-pM0yLTH89NNMX1T+FtTKnuXag5g7pr6lzJj83+MzAGy4nOjseSuUimuiyG90/C5t
-A5wC0Qh5RbDnkFYhC44Kxof/i6+jnfateIPNiIIwQV+2f6G/aK1hgjekT10m/eoR
-YDTf+e5ZAgMBAAECggEACODt7yRYjhDVLYaTtb9f5t7dYG67Y7WWLFIc6arxQryI
-XuNfm/ej2WyeXn9WTYeGWBaHERbv1zH4UnMxNBdP/C7dQXZwXqZaS2JwOUpNeK+X
-tUvgtAu6dkKUXSMRcKzXAjVp4N3YHhwOGOx8PNY49FDwZPdmyDD16aFAYIvdle6/
-PSMrj38rB1sbQQdmRob2FjJBSDZ44nsr+/nilrcOFNfNnWv7tQIWYVXNcLfdK/WJ
-ZCDFhA8lr/Yon6MEq6ApTj2ZYRRGXPd6UeASJkmTZEUIUbeDcje/MO8cHkREpuRH
-wm3pCjR7OdO4vc+/d/QmEvu5ns6wbTauelYnL616YQKBgQD414gJtpCHauNEUlFB
-v/R3DzPI5NGp9PAqovOD8nCbI49Mw61gP/ExTIPKiR5uUX/5EL04uspaNkuohXk+
-ys0G5At0NfV7W39lzhvALEaSfleybvYxppbBrc20/q8Gvi/i30NY+1LM3RdtMiEw
-hKHjU0SnFhJq0InFg3AO/iCeTQKBgQD5obkbzpOidSsa55aNsUlO2qjiUY9leq9b
-irAohIZ8YnuuixYvkOeSeSz1eIrA4tECeAFSgTZxYe1Iz+USru2Xg/0xNte11dJD
-rBoH/yMn2gDvBK7xQ6uFMPTeYtKG0vfvpXZYSWZzGntyrHTwFk6UV+xdrt9MBdd1
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-0ZjC07totO0fqPOLQxonjQg=
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+w6aHJZOTbqZ54FQ0UyVnKK5McxzzCUtTLLz2PvHVw15/IskcunfGiIBca8JnDPYw
+htkR+BX/so6AzxvlvqkThkMLuNmurpT4cZ2T00hVjspnRXbc/qjVYUu5AoGBAJGn
+qGL8o7IbaKmbADaJm97wZsbtx++nzX1dKU3bsFzs9JnHn9/AT+VLiOqAwyyT5iO+
+rx42MyPsT9FEoSTY4EOtVzA+rfQT4Tj5FrrieIg3l28/WGyB2PGagvWShO0tQQnk
+f3LwVWQY002y0MhK/o2KrUvNtY2Tnl+vEJ2VvFDRAoGBALkegS4yvT1MqB9a/WLk
+ROXQ94CJTDM751Lp6OnyJy9kVWlQvFQXL7FN836LJN22JFCANnPUrbVXht3hXadb
+3KHe19MouNEMG+CZK9cuk8SKIlt18Kvnv3fVxhksaQAYJOcPMFbvwiv8UoochR5u
+UuUQ9LfFpj9eL/gsgjICQTiy
 -----END PRIVATE KEY-----
diff --git a/arrow-flight/examples/data/server.pem b/arrow-flight/examples/data/server.pem
index 4cc97bcf4b6d..d675054b4e4f 100644
--- a/arrow-flight/examples/data/server.pem
+++ b/arrow-flight/examples/data/server.pem
@@ -1,27 +1,19 @@
 -----BEGIN CERTIFICATE-----
-MIIEmDCCAwCgAwIBAgIQVEJFCgU/CZk9JEwTucWPpzANBgkqhkiG9w0BAQsFADCB
-hTEeMBwGA1UEChMVbWtjZXJ0IGRldmVsb3BtZW50IENBMS0wKwYDVQQLDCRsdWNp
-b0BMdWNpb3MtV29yay1NQlAgKEx1Y2lvIEZyYW5jbykxNDAyBgNVBAMMK21rY2Vy
-dCBsdWNpb0BMdWNpb3MtV29yay1NQlAgKEx1Y2lvIEZyYW5jbykwHhcNMTkwNjAx
-MDAwMDAwWhcNMjkwOTI5MjMzNTM0WjBYMScwJQYDVQQKEx5ta2NlcnQgZGV2ZWxv
-cG1lbnQgY2VydGlmaWNhdGUxLTArBgNVBAsMJGx1Y2lvQEx1Y2lvcy1Xb3JrLU1C
-UCAoTHVjaW8gRnJhbmNvKTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
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-RtgqnK0oc/Nh8zvx3wrxs++mepciJNcVPQlCXDU4csLV+vh7n3wYm6YCakxgWu2q
-/R9uZQVO5AZsfF44fa+OLRu+vc0pm5sx+QRk/dfiw1dehci5bYtpLw4wYqglp4IG
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-cGxlLmNvbYIMZXhhbXBsZS50ZXN0gglsb2NhbGhvc3SHBH8AAAGHEAAAAAAAAAAA
-AAAAAAAAAAEwDQYJKoZIhvcNAQELBQADggGBAKb2TJ8l+e1eraNwZWizLw5fccAf
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-2D4hyWaEZsvvILXapwqHDCuN3/jSUlTIqUoE1w==
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+K5erpWgHWvPXH4MMTNOgaJN7HNLyxVbC9W1l0JpqN8UmHwj6bXC262Soz+STbfE=
 -----END CERTIFICATE-----
diff --git a/arrow-flight/examples/flight_sql_server.rs b/arrow-flight/examples/flight_sql_server.rs
index dd3a3943dd95..8c6c6e710bae 100644
--- a/arrow-flight/examples/flight_sql_server.rs
+++ b/arrow-flight/examples/flight_sql_server.rs
@@ -797,6 +797,7 @@ mod tests {
     use std::fs;
     use std::future::Future;
     use std::net::SocketAddr;
+    use std::path::PathBuf;
     use std::time::Duration;
     use tempfile::NamedTempFile;
     use tokio::net::{TcpListener, UnixListener, UnixStream};
@@ -901,13 +902,15 @@ mod tests {
         F: FnOnce(FlightSqlServiceClient<Channel>) -> C,
         C: Future<Output = ()>,
     {
-        let cert = std::fs::read_to_string("examples/data/server.pem").unwrap();
-        let key = std::fs::read_to_string("examples/data/server.key").unwrap();
-        let client_ca = std::fs::read_to_string("examples/data/client_ca.pem").unwrap();
+        let cert_dir = PathBuf::from("examples/data");
+
+        let cert = std::fs::read_to_string(cert_dir.join("server.pem")).unwrap();
+        let key = std::fs::read_to_string(cert_dir.join("server.key")).unwrap();
+        let ca_root = std::fs::read_to_string(cert_dir.join("ca_root.pem")).unwrap();
 
         let tls_config = ServerTlsConfig::new()
             .identity(Identity::from_pem(&cert, &key))
-            .client_ca_root(Certificate::from_pem(&client_ca));
+            .client_ca_root(Certificate::from_pem(&ca_root));
 
         let (incoming, addr) = bind_tcp().await;
         let uri = format!("https://{}:{}", addr.ip(), addr.port());
@@ -920,14 +923,13 @@ mod tests {
             .add_service(svc)
             .serve_with_incoming(incoming);
 
-        let request_future = async {
-            let cert = std::fs::read_to_string("examples/data/client1.pem").unwrap();
-            let key = std::fs::read_to_string("examples/data/client1.key").unwrap();
-            let server_ca = std::fs::read_to_string("examples/data/ca.pem").unwrap();
+        let request_future = async move {
+            let cert = std::fs::read_to_string(cert_dir.join("client.pem")).unwrap();
+            let key = std::fs::read_to_string(cert_dir.join("client.key")).unwrap();
 
             let tls_config = ClientTlsConfig::new()
                 .domain_name("localhost")
-                .ca_certificate(Certificate::from_pem(&server_ca))
+                .ca_certificate(Certificate::from_pem(&ca_root))
                 .identity(Identity::from_pem(cert, key));
 
             let endpoint = endpoint(uri).unwrap().tls_config(tls_config).unwrap();