diff --git a/.gitignore b/.gitignore
index 1918cca..a0b8f0a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -88,3 +88,4 @@
 /go1.14.6.src.tar.gz
 /go1.15beta1.src.tar.gz
 /go1.15rc1.src.tar.gz
+/go1.15rc2.src.tar.gz
diff --git a/golang.spec b/golang.spec
index 7976eee..479cdf7 100644
--- a/golang.spec
+++ b/golang.spec
@@ -105,11 +105,11 @@
 %endif
 
 %global go_api 1.15
-%global go_version 1.15rc1
+%global go_version 1.15rc2
 
 Name:           golang
 Version:        1.15
-Release:        0.rc1.0%{?dist}.1
+Release:        0.rc2.0%{?dist}
 Summary:        The Go Programming Language
 # source tree includes several copies of Mark.Twain-Tom.Sawyer.txt under Public Domain
 License:        BSD and Public Domain
@@ -136,12 +136,12 @@ Provides:       go = %{version}-%{release}
 
 # Bundled/Vendored provides generated by
 # go list -f {{.ImportPath}} ./src/vendor/... | sed "s:_$PWD/src/vendor/::g;s:_:.:;s:.*:Provides\: bundled(golang(&)):" && go list -f {{.ImportPath}} ./src/cmd/vendor/... | sed "s:_$PWD/src/cmd/vendor/::g;s:_:.:;s:.*:Provides\: bundled(golang(&)):"
+Provides: bundled(golang(golang.org/x/crypto/chacha20))
 Provides: bundled(golang(golang.org/x/crypto/chacha20poly1305))
 Provides: bundled(golang(golang.org/x/crypto/cryptobyte))
 Provides: bundled(golang(golang.org/x/crypto/cryptobyte/asn1))
 Provides: bundled(golang(golang.org/x/crypto/curve25519))
 Provides: bundled(golang(golang.org/x/crypto/hkdf))
-Provides: bundled(golang(golang.org/x/crypto/internal/chacha20))
 Provides: bundled(golang(golang.org/x/crypto/internal/subtle))
 Provides: bundled(golang(golang.org/x/crypto/poly1305))
 Provides: bundled(golang(golang.org/x/net/dns/dnsmessage))
@@ -175,9 +175,20 @@ Provides: bundled(golang(golang.org/x/arch/arm/armasm))
 Provides: bundled(golang(golang.org/x/arch/arm64/arm64asm))
 Provides: bundled(golang(golang.org/x/arch/ppc64/ppc64asm))
 Provides: bundled(golang(golang.org/x/arch/x86/x86asm))
+Provides: bundled(golang(golang.org/x/crypto/ed25519))
+Provides: bundled(golang(golang.org/x/crypto/ed25519/internal/edwards25519))
 Provides: bundled(golang(golang.org/x/crypto/ssh/terminal))
+Provides: bundled(golang(golang.org/x/mod/internal/lazyregexp))
+Provides: bundled(golang(golang.org/x/mod/modfile))
+Provides: bundled(golang(golang.org/x/mod/module))
+Provides: bundled(golang(golang.org/x/mod/semver))
+Provides: bundled(golang(golang.org/x/mod/sumdb))
+Provides: bundled(golang(golang.org/x/mod/sumdb/dirhash))
+Provides: bundled(golang(golang.org/x/mod/sumdb/note))
+Provides: bundled(golang(golang.org/x/mod/sumdb/tlog))
+Provides: bundled(golang(golang.org/x/mod/zip))
+Provides: bundled(golang(golang.org/x/sys/internal/unsafeheader))
 Provides: bundled(golang(golang.org/x/sys/unix))
-Provides: bundled(golang(golang.org/x/sys/windows))
 Provides: bundled(golang(golang.org/x/tools/go/analysis))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/internal/analysisflags))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/internal/facts))
@@ -192,6 +203,7 @@ Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/copylock))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/ctrlflow))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/errorsas))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/httpresponse))
+Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/ifaceassert))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/inspect))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/internal/analysisutil))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/loopclosure))
@@ -200,6 +212,7 @@ Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/nilfunc))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/printf))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/shift))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/stdmethods))
+Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/stringintconv))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/structtag))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/tests))
 Provides: bundled(golang(golang.org/x/tools/go/analysis/passes/unmarshal))
@@ -212,6 +225,9 @@ Provides: bundled(golang(golang.org/x/tools/go/ast/inspector))
 Provides: bundled(golang(golang.org/x/tools/go/cfg))
 Provides: bundled(golang(golang.org/x/tools/go/types/objectpath))
 Provides: bundled(golang(golang.org/x/tools/go/types/typeutil))
+Provides: bundled(golang(golang.org/x/tools/internal/analysisinternal))
+Provides: bundled(golang(golang.org/x/xerrors))
+Provides: bundled(golang(golang.org/x/xerrors/internal))
 
 Requires:       %{name}-bin = %{version}-%{release}
 Requires:       %{name}-src = %{version}-%{release}
@@ -591,6 +607,12 @@ fi
 %endif
 
 %changelog
+* Mon Aug 10 2020 Jakub Čajka <jcajka@redhat.com> - 1.15-0.rc2.0
+- Rebase to go1.15rc1
+- Security fix for CVE-2020-16845
+- Resolves: BZ#1867101
+- Related: BZ#1859241
+
 * Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.15-0.rc1.0.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
 
diff --git a/sources b/sources
index 688c84e..cb119b1 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (go1.15rc1.src.tar.gz) = 7f77b189f9c1605ac6df68059029eac5bd90ea1a184473eaf861fa45429389e0d6fde530fcd3991d5e3e27ddcaf7af960a1349344ffbda633388efcfc597d2bc
+SHA512 (go1.15rc2.src.tar.gz) = 321306e7aab942ae186492b2a81fd123ecc0199cbb24ec16d925f80cbb29f4e13fad98233efef44b7979742b27c282ec471e13c491d4d5809771a2eac57a7db8