diff --git a/libtpms.spec b/libtpms.spec
index d7056b4..1e33e96 100644
--- a/libtpms.spec
+++ b/libtpms.spec
@@ -14,8 +14,6 @@ Source0:        libtpms-%{gitdate}.tar.xz
 BuildRequires:  openssl-devel
 BuildRequires:  pkgconfig gawk sed
 BuildRequires:  automake autoconf libtool bash coreutils
-# need to fix upstream configure.ac not not need the following if openssl is used
-BuildRequires:  gmp-devel nspr-devel nss-devel
 
 %description
 A library providing TPM functionality for VMs. Targeted for integration
@@ -32,7 +30,7 @@ Libtpms header files and documentation.
 %prep
 %setup -q -n %{name}-%{gitdate}
 %build
-sh autogen.sh
+NOCONFIGURE=1 sh autogen.sh
 %configure --disable-static --with-tpm2 --with-openssl
 make %{?_smp_mflags}
 
diff --git a/sources b/sources
index 23d8cb3..6210bfa 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libtpms.spec) = 407e574882aab3a95ccec95d8cbd5094f24f4235eabf778740555159ad45c826221f98b488133b954604e766431629ff16f38003393ba62c754a4d9b76c402ed
+SHA512 (libtpms.spec) = 31d8be1bbd20664ad9901209482cbeaa54af314010a114a4b2223da6c57d1810db2b6c8d1cea5db3db60edb137d77b7628544dfaa3f85940b419593b66d2d7dc