diff --git a/.gitignore b/.gitignore
index 1982c3c..dd4cc8f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /libcint-4.0.2.tar.gz
 /libcint-4.0.3.tar.gz
 /libcint-4.0.5.tar.gz
+/libcint-4.0.6.tar.gz
diff --git a/libcint.spec b/libcint.spec
index 17a4473..1f004f0 100644
--- a/libcint.spec
+++ b/libcint.spec
@@ -7,7 +7,7 @@
 %endif
 
 Name:           libcint
-Version:        4.0.5
+Version:        4.0.6
 Release:        1%{?dist}
 Summary:        General Gaussian-type orbitals integrals for quantum chemistry
 
@@ -76,6 +76,9 @@ make -C %{_host} test ARGS=-V
 %{_libdir}/libcint.so
 
 %changelog
+* Sat Nov 14 2020 Susi Lehtola <jussilehtola@fedoraproject.org> - 4.0.6-1
+- Update to 4.0.6.
+
 * Sun Nov 01 2020 Susi Lehtola <jussilehtola@fedoraproject.org> - 4.0.5-1
 - Update to 4.0.5.
 
diff --git a/sources b/sources
index 066df29..bdee2a1 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libcint-4.0.5.tar.gz) = 9a8d624cc72cd15b78849a625572368f2af48fc255c2895b10ca894dbbdb0e6c95e4302adeca8595dbcda5895a6a2a28175f3c27e3df981390411271fc4faf3a
+SHA512 (libcint-4.0.6.tar.gz) = c98e3ad46491fa9b1fa4f1a9e6b216c40e4f12835097eea09edce81f224984d80ac228bdb22333c8e9fb6945f7ff845995bfeb3fc26dc2c365db54e07de8f0be