diff --git a/conda/dlib/meta.yaml b/conda/dlib/meta.yaml
index 896d54d508ee2bfa07e4a63c2fca9c1976dfaa66..d12056d40f32bf3eef527b59ebf381387fc073a9 100644
--- a/conda/dlib/meta.yaml
+++ b/conda/dlib/meta.yaml
@@ -18,7 +18,7 @@ source:
     - win_thread_fix.patch     # [win]
 
 build:
-  number: 2
+  number: 3
   skip: True  # [blas_impl == 'mkl' and win]
 
 requirements:
diff --git a/conda/kaldi/meta.yaml b/conda/kaldi/meta.yaml
index c05d952958a88e70efbb6c829997c61945b85c6c..8d925b7680a08f73d398c42e28d57d98338b94ea 100755
--- a/conda/kaldi/meta.yaml
+++ b/conda/kaldi/meta.yaml
@@ -13,7 +13,7 @@ source:
     - conda-kaldi.patch
 
 build:
-  number: 0
+  number: 1
   skip: True  # [not linux]
   run_exports:
     - {{ pin_subpackage(name, max_pin='x.x') }}
diff --git a/conda_build_config.yaml b/conda_build_config.yaml
index 5745107c421fb81f084cce7c11da352791aa5999..c1f2720e59cf8d3d775cd6594cdacc964fa8c1d3 100644
--- a/conda_build_config.yaml
+++ b/conda_build_config.yaml
@@ -86,7 +86,7 @@ libogg:
 libpng:
   - 1.6.35
 mkl:
-  - 2019.1
+  - 2019.4
 openblas:
   - 0.3.3
 openfst: