diff --git a/CMakeLists.txt b/CMakeLists.txt
index c53fda5..a6dabe6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -186,7 +186,7 @@ endif()
 if (ENABLE_DECOMPRESSION)
   # Zlib and ZSTD need to be found otherwise disable it
   if(NOT TARGET ZLIB::ZLIB)
-    find_package(ZLIB)
+    find_package(ZLIB REQUIRED)
   else()
     # Presumably in this case, the target has been found externally but set this flag just in case
     set(ZLIB_FOUND TRUE)
@@ -201,7 +201,7 @@ if (ENABLE_DECOMPRESSION)
       TARGET ZSTD::ZSTD
     )
   )
-    find_package(zstd)
+    find_package(zstd CONFIG REQUIRED)
   else()
     # Presumably in this case, the target has been found externally but set this flag just in case
     set(zstd_FOUND TRUE)
diff --git a/src/lib/libdwarf/cmake/libdwarfConfig.cmake.in b/src/lib/libdwarf/cmake/libdwarfConfig.cmake.in
index 567bcf3..888b801 100644
--- a/src/lib/libdwarf/cmake/libdwarfConfig.cmake.in
+++ b/src/lib/libdwarf/cmake/libdwarfConfig.cmake.in
@@ -7,7 +7,7 @@ if(LIBDWARF_BUILT_WITH_ZLIB_AND_ZSTD)
   find_dependency(ZLIB)
   set(CMAKE_MODULE_PATH_OLD "${CMAKE_MODULE_PATH}")
   set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_LIST_DIR}")
-  find_dependency(zstd)
+  find_dependency(zstd CONFIG)
   set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH_OLD}")
   unset(CMAKE_MODULE_PATH_OLD)
 endif()
diff --git a/src/lib/libdwarf/libdwarf.pc.in b/src/lib/libdwarf/libdwarf.pc.in
index 1d78dbb..3bb9178 100644
--- a/src/lib/libdwarf/libdwarf.pc.in
+++ b/src/lib/libdwarf/libdwarf.pc.in
@@ -9,4 +9,5 @@ Description: DWARF debug symbols library
 Version: @PROJECT_VERSION@
 Libs: -L${libdir} -ldwarf
 Cflags: -I${includedir}
+Requires.private: zlib libzstd