diff --git a/writerperfect/Library_wpftcalc.mk b/writerperfect/Library_wpftcalc.mk
index 3f7f82329..b7a11088a 100644
--- a/writerperfect/Library_wpftcalc.mk
+++ b/writerperfect/Library_wpftcalc.mk
@@ -60,6 +60,7 @@ $(eval $(call gb_Library_use_externals,wpftcalc,\
 	icu_headers \
 	icui18n \
 	icuuc \
+	zlib \
 ))
 
 ifneq ($(ENABLE_WASM_STRIP_SCEXPORTS),TRUE)
diff --git a/writerperfect/Library_wpftdraw.mk b/writerperfect/Library_wpftdraw.mk
index a369a626c..cd2fc2be9 100644
--- a/writerperfect/Library_wpftdraw.mk
+++ b/writerperfect/Library_wpftdraw.mk
@@ -65,6 +65,7 @@ $(eval $(call gb_Library_use_externals,wpftdraw,\
 	icu_headers \
 	icui18n \
 	icuuc \
+	zlib \
 ))
 
 $(eval $(call gb_Library_add_exception_objects,wpftdraw,\
diff --git a/writerperfect/Library_wpftimpress.mk b/writerperfect/Library_wpftimpress.mk
index 3fa007ae5..9b0e37b4b 100644
--- a/writerperfect/Library_wpftimpress.mk
+++ b/writerperfect/Library_wpftimpress.mk
@@ -50,6 +50,7 @@ $(eval $(call gb_Library_use_externals,wpftimpress,\
 	odfgen \
 	staroffice \
 	revenge \
+	zlib \
 ))
 
 $(eval $(call gb_Library_add_exception_objects,wpftimpress,\