diff --git a/php_pdo_snowflake_int.h b/php_pdo_snowflake_int.h
index 249b334a..4003417c 100644
--- a/php_pdo_snowflake_int.h
+++ b/php_pdo_snowflake_int.h
@@ -92,5 +92,7 @@ enum {
 #define PDO_SNOWFLAKE_CONN_ATTR_AUTHENTICATOR_IDX 12
 #define PDO_SNOWFLAKE_CONN_ATTR_PRIV_KEY_FILE_IDX 13
 #define PDO_SNOWFLAKE_CONN_ATTR_PRIV_KEY_FILE_PWD_IDX 14
+#define PDO_SNOWFLAKE_CONN_ATTR_PROXY_IDX 15
+#define PDO_SNOWFLAKE_CONN_ATTR_NO_PROXY_IDX 16
 
 #endif /* PHP_PDO_SNOWFLAKE_INT_H */
diff --git a/snowflake_driver.c b/snowflake_driver.c
index 392ed819..000eec59 100644
--- a/snowflake_driver.c
+++ b/snowflake_driver.c
@@ -556,7 +556,9 @@ pdo_snowflake_handle_factory(pdo_dbh_t *dbh, zval *driver_options) /* {{{ */
         {"application",         NULL,         0},
         {"authenticator",       NULL,         0},
         {"priv_key_file",       NULL,         0},
-        {"priv_key_file_pwd",   NULL,         0}
+        {"priv_key_file_pwd",   NULL,         0},
+        {"proxy",               NULL,         0},
+        {"no_proxy",            NULL,         0}
     };
 
     // Parse the input data parameters
@@ -726,6 +728,24 @@ pdo_snowflake_handle_factory(pdo_dbh_t *dbh, zval *driver_options) /* {{{ */
     PDO_LOG_DBG(
         "priv_key_file_pwd: %s", vars[PDO_SNOWFLAKE_CONN_ATTR_PRIV_KEY_FILE_PWD_IDX].optval);
 
+    if (vars[PDO_SNOWFLAKE_CONN_ATTR_PROXY_IDX].optval != NULL) {
+        /* proxy */
+        snowflake_set_attribute(
+            H->server, SF_CON_PROXY,
+            vars[PDO_SNOWFLAKE_CONN_ATTR_PROXY_IDX].optval);
+    }
+    PDO_LOG_DBG(
+        "proxy: %s", "******");
+
+    if (vars[PDO_SNOWFLAKE_CONN_ATTR_NO_PROXY_IDX].optval != NULL) {
+        /* priv_key_file_pwd */
+        snowflake_set_attribute(
+            H->server, SF_CON_NO_PROXY,
+            vars[PDO_SNOWFLAKE_CONN_ATTR_NO_PROXY_IDX].optval);
+    }
+    PDO_LOG_DBG(
+        "no_proxy: %s", vars[PDO_SNOWFLAKE_CONN_ATTR_NO_PROXY_IDX].optval);
+
     if (snowflake_connect(H->server) > 0) {
         pdo_snowflake_error(dbh);
         goto cleanup;
diff --git a/tests/proxy.phpt b/tests/proxy.phpt
new file mode 100644
index 00000000..72e5bd5d
--- /dev/null
+++ b/tests/proxy.phpt
@@ -0,0 +1,39 @@
+--TEST--
+pdo_snowflake - proxy
+--INI--
+pdo_snowflake.cacert=libsnowflakeclient/cacert.pem
+--FILE--
+<?php
+    include __DIR__ . "/common.php";
+    if (getenv("all_proxy") || getenv("https_proxy") || getenv("http_proxy"))
+    {
+        // skip the test if the test evironment uses proxy already
+        echo "OK\n";
+    }
+    // set invalid proxy in environment variables
+	putenv("https_proxy=a.b.c");
+    putenv("http_proxy=a.b.c");
+    putenv("no_proxy");
+
+    // use connection parameter to overwrite proxy setting in environment variables
+    $dbh = new PDO("$dsn;proxy=;no_proxy=", $user, $password);
+    $dbh = null;
+
+    // test no proxy also works as well
+    $dbh = new PDO("$dsn;proxy=a.b.c;no_proxy=*", $user, $password);
+    $dbh = null;
+
+    // unset environment variables
+	putenv("https_proxy");
+    putenv("http_proxy");
+    putenv("no_proxy");
+
+    echo "OK\n";
+
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECT--
+OK
+===DONE===
+