diff --git a/oath-toolkit-2.6.5-lockfile.patch b/oath-toolkit-2.6.6-lockfile.patch
similarity index 95%
rename from oath-toolkit-2.6.5-lockfile.patch
rename to oath-toolkit-2.6.6-lockfile.patch
index e26c0eb..7c62440 100644
--- a/oath-toolkit-2.6.5-lockfile.patch
+++ b/oath-toolkit-2.6.6-lockfile.patch
@@ -1,5 +1,5 @@
 diff --git a/liboath/global.c b/liboath/global.c
-index 89c18c5..7fc7b8a 100644
+index d442cf3..cfe1cee 100644
 --- a/liboath/global.c
 +++ b/liboath/global.c
 @@ -25,9 +25,12 @@
@@ -61,7 +61,7 @@ index 89c18c5..7fc7b8a 100644
 +  return OATH_OK;
 +}
 diff --git a/liboath/liboath.map b/liboath/liboath.map
-index 5e31cef..436cd65 100644
+index 2f247ff..e8f8cdf 100644
 --- a/liboath/liboath.map
 +++ b/liboath/liboath.map
 @@ -75,6 +75,7 @@ LIBOATH_2.2.0
@@ -73,10 +73,10 @@ index 5e31cef..436cd65 100644
  
  LIBOATH_2.6.0
 diff --git a/liboath/oath.h b/liboath/oath.h
-index 9d1a277..7ceeaa7 100644
+index 04dc23d..5d4c0af 100644
 --- a/liboath/oath.h
 +++ b/liboath/oath.h
-@@ -136,11 +136,15 @@ typedef enum
+@@ -155,11 +155,15 @@ typedef enum
  
  /* Global */
  
@@ -93,10 +93,10 @@ index 9d1a277..7ceeaa7 100644
  
  extern OATHAPI const char *oath_strerror (int err);
 diff --git a/liboath/oath.h.in b/liboath/oath.h.in
-index 8654342..17fddd3 100644
+index 709bb2b..b2f8a0f 100644
 --- a/liboath/oath.h.in
 +++ b/liboath/oath.h.in
-@@ -136,11 +136,15 @@ typedef enum
+@@ -155,11 +155,15 @@ typedef enum
  
  /* Global */
  
@@ -113,7 +113,7 @@ index 8654342..17fddd3 100644
  
  extern OATHAPI const char *oath_strerror (int err);
 diff --git a/liboath/usersfile.c b/liboath/usersfile.c
-index 9da30fe..d9bd943 100644
+index 2c51da2..cb6a85f 100644
 --- a/liboath/usersfile.c
 +++ b/liboath/usersfile.c
 @@ -323,9 +323,18 @@ update_usersfile (const char *usersfile,
@@ -139,7 +139,7 @@ index 9da30fe..d9bd943 100644
      lockfh = fopen (lockfile, "w");
      if (!lockfh)
 diff --git a/pam_oath/pam_oath.c b/pam_oath/pam_oath.c
-index 89310b5..def004f 100644
+index ba577b4..c0fd13e 100644
 --- a/pam_oath/pam_oath.c
 +++ b/pam_oath/pam_oath.c
 @@ -70,6 +70,7 @@ struct cfg
diff --git a/oath-toolkit.spec b/oath-toolkit.spec
index 0eb2aaa..e8bbb8f 100644
--- a/oath-toolkit.spec
+++ b/oath-toolkit.spec
@@ -1,14 +1,14 @@
 Name:          oath-toolkit
-Version:       2.6.5
+Version:       2.6.6
 Release:       1%{?dist}
 License:       GPLv3+
 Summary:       One-time password components
 BuildRequires: make
 BuildRequires: pam-devel, gtk-doc, libtool, libtool-ltdl-devel
 BuildRequires: xmlsec1-devel, xmlsec1-openssl-devel, autoconf, automake
-Source0:       http://download.savannah.gnu.org/releases/%{name}/%{name}-%{version}.tar.gz
-URL:           http://www.nongnu.org/oath-toolkit/
-Patch0:        oath-toolkit-2.6.5-lockfile.patch
+Source0:       https://download.savannah.nongnu.org/releases/%{name}/%{name}-%{version}.tar.gz
+URL:           https://www.nongnu.org/oath-toolkit/
+Patch0:        oath-toolkit-2.6.6-lockfile.patch
 
 %description
 The OATH Toolkit provide components for building one-time password
@@ -176,6 +176,11 @@ mkdir -p -m 0600 %{buildroot}%{_sysconfdir}/liboath
 %{_libdir}/security/pam_oath.so
 
 %changelog
+* Wed Jan 20 2021 Jaroslav Škarvada <jskarvad@redhat.com> - 2.6.6-1
+- New version
+  Resolves: rhbz#1918498
+- Updated source URL
+
 * Mon Jan  4 2021 Jaroslav Škarvada <jskarvad@redhat.com> - 2.6.5-1
 - New version
   Resolves: rhbz#1911419
diff --git a/sources b/sources
index 491a930..24b6cda 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (oath-toolkit-2.6.5.tar.gz) = 508eb87ef62117df28fc74f099d077a1092901e66de6b099ea7c2954fc552a252a243a34de972a2dd4e92cdafb1b831b1fb92c746ab0dc49a8588fca210843ba
+SHA512 (oath-toolkit-2.6.6.tar.gz) = f5b6beee6e2afdcb2edfa0046650cb5cc6dee2dc759ce5db3a0350d579d589d35efc51ebcab1f353f103138b7de0ccfb6f3246d0e11ae81f4b31b63cbf9908be