diff --git a/sock.h b/sock.h
index 5cccf3b..297f7da 100644
--- a/sock.h
+++ b/sock.h
@@ -4,7 +4,7 @@
     #              @@@@@@                                           #
     #              @    @                                           #
     #              @====@                                           #
-    #              @    @           sock.h - v1.7.4                 #
+    #              @    @           sock.h - v1.7.5                 #
     #              @    @             MIT License                   #
     #            @@% .@ @                                           #
     #         @@     @  @    https://github.com/seajee/sock.h       #
@@ -375,6 +375,7 @@ SockAddrList sock_dns(const char *addr, int port, SockAddrType addr_hint, SockTy
 
     struct addrinfo *res;
     if (getaddrinfo(addr, service, &hints, &res) != 0) {
+        sock_addr_list_free(&list);
         return list;
     }
 
@@ -514,7 +515,7 @@ bool sock_async_accept(Sock *sock, SockThreadCallback fn, void *user_data)
 
     if (sock->type != SOCK_TCP) {
         sock->last_errno = EINVAL;
-        return NULL;
+        return false;
     }
 
     Sock *client = sock_accept(sock);
@@ -555,7 +556,7 @@ bool sock_connect(Sock *sock, SockAddr addr)
 
     if (sock->type != SOCK_TCP) {
         sock->last_errno = EINVAL;
-        return NULL;
+        return false;
     }
 
     if (connect(sock->fd, &addr.sockaddr, addr.len) < 0) {
@@ -821,6 +822,8 @@ void sock__convert_addr(SockAddr *addr)
 /*
     Revision history:
 
+        1.7.5 (2025-12-13) Return false instead of NULL when returning a bool;
+                           Fixed memory leak in sock_dns()
         1.7.4 (2025-12-13) Ignore signals in send and sendto
         1.7.3 (2025-09-20) Changed sock_send_all() signature; drain buffers on
                            sock_close() to prevent data loss