diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 90f871d..8fd64b2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,11 +3,7 @@ cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
 project(uthenticode)
 
 find_package(pe-parse REQUIRED)
-find_package(
-  OpenSSL 3.0
-  COMPONENTS Crypto
-  REQUIRED
-)
+find_package(OpenSSL REQUIRED)
 
 add_library("${PROJECT_NAME}" uthenticode.cpp)
 
@@ -32,7 +28,7 @@ set_target_properties("${PROJECT_NAME}" PROPERTIES PUBLIC_HEADER "include/uthent
 
 target_link_libraries("${PROJECT_NAME}" PUBLIC pe-parse::pe-parse)
 
-target_link_libraries("${PROJECT_NAME}" PUBLIC OpenSSL::Crypto)
+target_link_libraries("${PROJECT_NAME}" PUBLIC OpenSSL::SSL OpenSSL::Crypto)
 
 install(
   TARGETS "${PROJECT_NAME}"
diff --git a/src/include/uthenticode.h b/src/include/uthenticode.h
index 223d662..07e5bc3 100644
--- a/src/include/uthenticode.h
+++ b/src/include/uthenticode.h
@@ -48,6 +48,7 @@ DECLARE_ASN1_FUNCTIONS(Authenticode_SpcIndirectDataContent)
  * So we wrap it here for use with unique_ptr.
  */
 void OpenSSL_free(void *ptr);
+void SK_X509_free(stack_st_X509 *ptr);
 
 /* Since OpenSSL 3.0.0 SK_X509_free is defined as a macro, which we can't use with decltype.
  * So we wrap it here for use with unique_ptr.