diff --git a/cairomm.spec b/cairomm.spec
index 73bff27..9c7e11b 100644
--- a/cairomm.spec
+++ b/cairomm.spec
@@ -1,5 +1,5 @@
 %global so_version 1
-%global apiver 1.0
+%global apiver 1.16
 
 # “Let mm-common-get copy some files to untracked/”, i.e., replace scripts from
 # the tarball with those from mm-common. This is (potentially) required if
@@ -8,8 +8,8 @@
 
 Name:           cairomm
 Summary:        C++ API for the cairo graphics library
-Version:        1.14.2
-Release:        4%{?dist}
+Version:        1.16.0
+Release:        1%{?dist}
 
 URL:            https://www.cairographics.org
 License:        LGPLv2+
@@ -55,13 +55,11 @@ BuildRequires:  pkgconfig(cairo-svg)
 BuildRequires:  pkgconfig(cairo-xlib)
 BuildRequires:  pkgconfig(cairo-xlib-xrender)
 BuildRequires:  pkgconfig(mm-common-libstdc++)
-BuildRequires:  pkgconfig(sigc++-2.0)
+BuildRequires:  pkgconfig(sigc++-3.0)
 
-# Prepare for future upgrade to API/ABI version 1.16 by introducing a name for
-# API/ABI version 1.0. Dependent packages using pkg-config will not need to
-# care; those that depend on this package by name, however, will need to be
-# updated to require the versioned name. This name is chosen in accordance with
-# https://docs.fedoraproject.org/en-US/packaging-guidelines/Naming/#multiple.
+# In case of a future new ABI/API, the current ABI/ABI can be maintained in a
+# package with this name; the virtual Provides can offer continuity for any
+# dependent packages that do not solely use pkgconfig().
 Provides:       %{name}%{apiver}%{_?isa} = %{version}-%{release}
 
 %description
@@ -83,7 +81,7 @@ applications that use %{name}.
 Summary:        Documentation for %{name}
 BuildArch:      noarch
 Requires:       libstdc++-docs
-Requires:       libsigc++20-doc
+Requires:       libsigc++30-doc
 
 Provides:       %{name}%{apiver}-doc = %{version}-%{release}
 
@@ -107,9 +105,7 @@ popd
 # different license.) We also remove the tag file, which triggers a rebuild of
 # the documentation. While we are at it, we might as well rebuild the devhelp
 # XML too.
-rm -rf untracked/docs/reference/html
-rm untracked/docs/reference/%{name}-%{apiver}.tag \
-   untracked/docs/reference/%{name}-%{apiver}.devhelp2
+rm -rf untracked/docs/reference
 
 
 %build
@@ -157,6 +153,10 @@ cp -rp examples %{buildroot}%{_datadir}/doc/%{name}-%{apiver}/
 
 
 %changelog
+* Fri Feb 12 2021 Benjamin A. Beasley <code@musicinmybrain.net> - 1.16.0-1
+- Update to 1.16.0, introducing API/ABI version 1.16; the previous API/ABI
+  version 1.0 is now provided by cairomm1.0 and its subpackages
+
 * Thu Feb 11 2021 Benjamin A. Beasley <code@musicinmybrain.net> - 1.14.2-4
 - Prepare for future upgrade to API/ABI version 1.16 by introducing virtual
   Provides for a name for API/ABI version 1.0: cairomm1.0. This will be the name
diff --git a/sources b/sources
index b4ebc36..61fa73a 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (cairomm-1.14.2.tar.xz) = aef374fca25ad22770407e36512046b266d71ebeccd47fb629cfbf2f67783aa314bb335b972088a88d98417a4774d6f144cd2769c452f8aa23770eae08dca592
-SHA512 (cairomm-1.14.2.tar.xz.sha1) = 045fcd7380a2c63866edd10539a1daae6f36a22614b9fffaad60ea32a82b0ca221ba56596edf357d820cfe0880513ef61cb8bd34077e73bb94e51981b826bfd2
-SHA512 (cairomm-1.14.2.tar.xz.sha1.asc) = 992f2ab7be68ce7570ba49efa40cc12cc2d2ed13983127892f1335401a184f3cb35e1a4b422d7ff0d234a0085bbc0dac9c84f183133f40ac47e668fb6d21f3c6
+SHA512 (cairomm-1.16.0.tar.xz) = 51929620feeac45377da5d486ea7a091bbd10ad8376fb16525328947b9e6ee740cdc8e8bd190a247b457cc9fec685a829c81de29b26cabaf95383ef04cce80d3
+SHA512 (cairomm-1.16.0.tar.xz.sha1) = 3c33c3fde4857fc2977698e46997c33051814550607c9fb8e024a029ef7b5167d9a5991ef26f716c2df296e2648b1784614ee9ef198b71da4df6dcdefb20c605
+SHA512 (cairomm-1.16.0.tar.xz.sha1.asc) = f26e421b393da03de6874af08dab34e89dda42ccf7a4de91609b78443918aa86968a1a8dd726caaedc0b06eb12433c49f271097fb8c9a0461a06c2db406fa585