diff --git a/polly.spec b/polly.spec
index e36c261..d6a7eb0 100644
--- a/polly.spec
+++ b/polly.spec
@@ -1,6 +1,6 @@
 %global toolchain clang
-#global rc_ver 3
-%global polly_version 16.0.6
+%global polly_version 17.0.0
+%global rc_ver 1
 %global polly_srcdir polly-%{polly_version}%{?rc_ver:rc%{rc_ver}}.src
 
 # Opt out of https://fedoraproject.org/wiki/Changes/fno-omit-frame-pointer
@@ -9,7 +9,7 @@
 
 Name: polly
 Version: %{polly_version}%{?rc_ver:~rc%{rc_ver}}
-Release: 2%{?dist}
+Release: 1%{?dist}
 Summary: LLVM Framework for High-Level Loop and Data-Locality Optimizations
 
 License: NCSA
@@ -59,7 +59,7 @@ Documentation for the Polly optimizer.
 
 %build
 
-%cmake 	-GNinja \
+%cmake -GNinja \
 	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
 	-DCMAKE_SKIP_RPATH:BOOL=ON \
 	-DLLVM_LINK_LLVM_DYLIB:BOOL=ON \
@@ -107,6 +107,9 @@ export LD_LIBRARY_PATH=%{buildroot}/%{_libdir}
 %doc %{_pkgdocdir}/html
 
 %changelog
+* Mon Aug 07 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 17.0.0~rc1-1
+- Update to LLVM 17.0.0 RC1
+
 * Fri Jul 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 16.0.6-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
 
diff --git a/sources b/sources
index 8c9c468..729b2f7 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (polly-16.0.6.src.tar.xz) = 791473c145930fcd1541002c5385c2fbc1b6dbecc60ca19b69f81d4df27a324609d1b0fc2723893147886eab988b4bf88e9c0ca815b1aa5b0a10d899cf32bc7e
-SHA512 (polly-16.0.6.src.tar.xz.sig) = 72db9bb37ff97a51ad24a81d444e6b42b0e161fe8f84601193359bfff4dc3b484ee0befbcda68ebc6c0806d800e8a4fad4a5bbed3afb09f137a11717932ff8bf
+SHA512 (polly-17.0.0rc1.src.tar.xz) = 934a6390fb68ac135977678b7b2bfeabab1ffd5f5c8c09d548ca99f261a2ccee032805c6c723b11804f01be35d7c1ac3091b6c58fdbf79bab0ea360c8506e158
+SHA512 (polly-17.0.0rc1.src.tar.xz.sig) = 22da6829ab2395208a75ee235ea88e6c8f74e1ee91dc73f616be495d7ed7b275bf119e24212456ea2748ae84afd35c98f313be60e0241f30a7568309917abbe3