diff --git a/.appveyor.yml b/.appveyor.yml
index 8323993..2dc4a93 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -84,6 +84,7 @@ environment:
       ADDPATH: C:\cygwin\bin;
       B2_ADDRESS_MODEL: 32
       B2_CXXSTD: 03,11,14,1z
+      B2_THREADING: threadapi=pthread
       B2_TOOLSET: gcc
 
     - FLAVOR: cygwin (64-bit)
@@ -91,6 +92,7 @@ environment:
       ADDPATH: C:\cygwin64\bin;
       B2_ADDRESS_MODEL: 64
       B2_CXXSTD: 03,11,14,1z
+      B2_THREADING: threadapi=pthread
       B2_TOOLSET: gcc
 
     - FLAVOR: mingw64
diff --git a/.codecov.yml b/.codecov.yml
index 2c99744..01918a0 100644
--- a/.codecov.yml
+++ b/.codecov.yml
@@ -27,5 +27,5 @@ comment:
 # Ignore specific files or folders. Glob patterns are supported.
 # See https://docs.codecov.com/docs/ignoring-paths
 ignore:
-  - test/**/*
   - libs/uuid/test
+  - test/**/*