diff --git a/Makefile.win b/Makefile.win
index 46e2938..78e75e6 100644
--- a/Makefile.win
+++ b/Makefile.win
@@ -15,7 +15,7 @@ LDFLAGS ?= -flto -fno-strict-aliasing
 LDFLAGS += -mthreads
 DLFLAGS ?= -shared
 DLSUFFICS = .dll
-LIBS += -lws2_32 -lodbc32 -ladvapi32 -luser32
+LIBS += -lws2_32 -lodbc32 -ladvapi32 -luser32 -lbcrypt
 LIBSPREFIX = -l
 LIBSSUFFIX =
 LNOUT = -o