diff --git a/pl.spec b/pl.spec
index 41bd024..0b2bb51 100644
--- a/pl.spec
+++ b/pl.spec
@@ -17,8 +17,8 @@
 %endif
 
 Name:       pl
-Version:    8.2.3
-Release:    2%{?dist}
+Version:    8.2.4
+Release:    1%{?dist}
 Summary:    SWI-Prolog - Edinburgh compatible Prolog compiler
 #LICENSE:                               BSD
 #library/qsave.pl                       BSD
@@ -88,10 +88,8 @@ Patch0:     swipl-8.2.0-Remove-files-locations-from-swipl-1-manual.patch
 Patch1:     swipl-8.2.1-Fix-JNI.patch
 # Unbundle libstemmer
 Patch2:     swipl-8.2.0-unbundle-libstemmer.patch
-# Fix a LaTeX error when labels contain underscores
-Patch3:     swipl-8.2.2-underscore.patch
 # Silence some Qt deprecation warnings
-Patch4:     swipl-8.2.3-qt-deprecated.patch
+Patch3:     swipl-8.2.3-qt-deprecated.patch
 
 BuildRequires:  cmake
 BuildRequires:  findutils
@@ -490,6 +488,10 @@ rm %{buildroot}%{_libdir}/swipl-%{version}/customize/README.md
 
 
 %changelog
+* Wed Jan 27 2021 Jerry James <loganjerry@gmail.com> - 8.2.4-1
+- Version 8.2.4
+- Drop upstreamed swipl-8.2.2-underscore.patch
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 8.2.3-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index 0e9c0e4..d906ff2 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
 SHA512 (userguide.html.tgz) = baa16d8f06a666e77ef45aaf7708e877710bfcb8fc0fb519bc70c54619c45def2d2ab4feaa0f1a1875b2a2270e8907551b63582da1b4beaa5b50f013a41d7ab9
-SHA512 (swipl-8.2.3_repackaged.tar.gz) = 8e798fdd6dd151b2c593ac6ac5e0f252916ef87a8d11183ce86397a30b4907f83fb4d08e482d64f603c142a2c7566528f0c2a4d8a6952dfcc920ca3844c42aa8
+SHA512 (swipl-8.2.4_repackaged.tar.gz) = c6d7a4173df7504d24f53f5a2c914fb49f2c608ca56d799a6dcb3fcafb3d260177addd820517fdfd628d43df0bfd675c9de0cc9f59dfdb4f8c245dfe389d2524
diff --git a/swipl-8.2.2-underscore.patch b/swipl-8.2.2-underscore.patch
deleted file mode 100644
index daf9f27..0000000
--- a/swipl-8.2.2-underscore.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-This prevents a LaTeX error when labels contain underscores:
-
-(./SWI-Prolog-8.2.2.aux (./intro.aux) (./overview.aux) (./ide.aux)
-(./builtin.aux
-! Missing \endcsname inserted.
-<to be read again>
-                   \protect
-l.12 ...{Redicate indicators}{subsection.4.1.2}{}}
-
-?
-! Emergency stop.
-<to be read again>
-                   \protect
-l.12 ...{Redicate indicators}{subsection.4.1.2}{}}
-
-End of file on the terminal!
-
---- a/man/builtin.doc	2020-10-27 05:10:19.000000000 -0600
-+++ b/man/builtin.doc	2020-10-27 12:43:43.386433966 -0600
-@@ -78,7 +78,7 @@ See also \secref{metacall} for examples
- \secref{metapred} for mode flags to label meta-predicate arguments in
- module export declarations.
- 
--\subsection{Redicate indicators}            \label{sec:predicate_indic}
-+\subsection{Redicate indicators}            \label{sec:predicate:indic}
- 
- \index{predicate indicator}%
- Referring to a predicate in running text is done using a
-@@ -87,7 +87,7 @@ predicate indicator is a term \exam{[<mo
- generally omitted if it is irrelevant (case of a built-in predicate) or if it
- can be inferred from context.
- 
--\subsubsection{Non-terminal indicatora}		\label{sec:nonterminal_indic}
-+\subsubsection{Non-terminal indicatora}		\label{sec:nonterminal:indic}
- 
- \index{non-terminal indicator}%
- Compliant to the ISO standard draft on Definite Clause Grammars (see