diff --git a/0001-Fix-integer-size-issue-on-32-bit-platforms.patch b/0001-Fix-integer-size-issue-on-32-bit-platforms.patch
new file mode 100644
index 0000000..dad3472
--- /dev/null
+++ b/0001-Fix-integer-size-issue-on-32-bit-platforms.patch
@@ -0,0 +1,108 @@
+From 3b77fdc0ee3c74d258d0a92f7ae0e8354239d8ee Mon Sep 17 00:00:00 2001
+From: Stephen Gallagher <sgallagh@redhat.com>
+Date: Fri, 20 Nov 2020 15:52:27 -0500
+Subject: [PATCH] Fix integer size issue on 32-bit platforms
+
+Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>
+---
+ modulemd/modulemd-module.c    | 6 +++---
+ modulemd/modulemd-obsoletes.c | 7 ++++---
+ modulemd/modulemd-util.c      | 2 +-
+ 3 files changed, 8 insertions(+), 7 deletions(-)
+
+diff --git a/modulemd/modulemd-module.c b/modulemd/modulemd-module.c
+index 8cc79952a209392a1e51ecf61145499207e58e4c..1b1ee71eaf01d0ab53dcfa839fda1177d73a5628 100644
+--- a/modulemd/modulemd-module.c
++++ b/modulemd/modulemd-module.c
+@@ -875,12 +875,12 @@ modulemd_module_add_obsoletes (ModulemdModule *self,
+                      modulemd_obsoletes_get_module_context (temp_obsoletes)))
+         {
+           continue;
+         }
+       g_info (
+-        "Overriding existing obsolete because of idenical stream: %s, "
+-        "context: %s and modified time: %lu.",
++        "Overriding existing obsolete because of identical stream: %s, "
++        "context: %s and modified time: %" PRIu64 ".",
+         modulemd_obsoletes_get_module_stream (obsoletes),
+         modulemd_obsoletes_get_module_context (obsoletes),
+         modulemd_obsoletes_get_modified (obsoletes));
+       g_ptr_array_remove (self->obsoletes, temp_obsoletes);
+       break;
+@@ -965,11 +965,11 @@ modulemd_module_add_obsoletes (ModulemdModule *self,
+                                          current_obsoletes))
+                 {
+                   g_info (
+                     "Multiple obsoletes for module: %s, stream: %s, context: "
+                     "%s "
+-                    "with identical modified time: %lu",
++                    "with identical modified time: %" PRIu64,
+                     modulemd_module_get_module_name (self),
+                     stream_str,
+                     context_str,
+                     new_obsoletes_mod);
+                 }
+diff --git a/modulemd/modulemd-obsoletes.c b/modulemd/modulemd-obsoletes.c
+index 46bbc435309542208ddb3d45fca5c95fe07651d4..ceb7682d423a99f129aae401d9dfd40349c3320e 100644
+--- a/modulemd/modulemd-obsoletes.c
++++ b/modulemd/modulemd-obsoletes.c
+@@ -1090,11 +1090,11 @@ modulemd_obsoletes_emit_yaml (ModulemdObsoletes *self,
+     {
+       g_set_error (
+         error,
+         MODULEMD_ERROR,
+         MMD_ERROR_VALIDATE,
+-        "Cannot convert modified date: %lu to iso8601 date.",
++        "Cannot convert modified date: %" PRIu64 " to iso8601 date.",
+         modulemd_obsoletes_get_modified (MODULEMD_OBSOLETES (self)));
+       return FALSE;
+     }
+   if (!mmd_emitter_scalar (
+         emitter, modified_string, YAML_PLAIN_SCALAR_STYLE, error))
+@@ -1164,11 +1164,12 @@ modulemd_obsoletes_emit_yaml (ModulemdObsoletes *self,
+       if (eol_date_string == NULL)
+         {
+           g_set_error (error,
+                        MODULEMD_ERROR,
+                        MMD_ERROR_VALIDATE,
+-                       "Cannot convert eol_date: %lu to iso8601 date.",
++                       "Cannot convert eol_date: %" PRIu64
++                       " to iso8601 date.",
+                        eol_date);
+           return FALSE;
+         }
+       EMIT_KEY_VALUE (emitter, error, "eol_date", eol_date_string);
+     }
+@@ -1229,11 +1230,11 @@ modulemd_obsoletes_is_active (ModulemdObsoletes *self)
+   time (&rawtime);
+   tm = gmtime (&rawtime);
+ 
+   char buf[255];
+   strftime (buf, sizeof (buf), "%Y%m%d%H%M", tm);
+-  guint64 now = atol (buf);
++  guint64 now = g_ascii_strtoull (buf, NULL, 0);
+ 
+   if (now >= modulemd_obsoletes_get_eol_date (self))
+     {
+       return TRUE;
+     }
+diff --git a/modulemd/modulemd-util.c b/modulemd/modulemd-util.c
+index 2a50bb598e53da707bfc0a6acc1d68d1dd4213ab..7c4c891e8c65b7d83e34880b16a08a2fcb80e49e 100644
+--- a/modulemd/modulemd-util.c
++++ b/modulemd/modulemd-util.c
+@@ -519,11 +519,11 @@ modulemd_iso8601date_to_guint64 (const gchar *iso8601)
+     }
+ 
+   char buf[32];
+   strftime (buf, sizeof (buf), "%Y%m%d%H%M", &tm);
+ 
+-  return atol (buf);
++  return g_ascii_strtoull (buf, NULL, 0);
+ }
+ 
+ 
+ gchar *
+ modulemd_guint64_to_iso8601date (guint64 date)
+-- 
+2.28.0
+
diff --git a/libmodulemd.spec b/libmodulemd.spec
index 736e1c7..fc1b00f 100644
--- a/libmodulemd.spec
+++ b/libmodulemd.spec
@@ -14,7 +14,7 @@
 
 Name:           %{upstream_name}%{?v2_suffix}
 Version:        2.10.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Module metadata manipulation library
 
 License:        MIT
@@ -42,6 +42,7 @@ BuildRequires:  help2man
 
 
 # Patches
+Patch0001: 0001-Fix-integer-size-issue-on-32-bit-platforms.patch
 
 
 %description
@@ -163,6 +164,9 @@ mv %{buildroot}%{_mandir}/man1/modulemd-validator.1 \
 
 
 %changelog
+* Fri Nov 20 2020 Stephen Gallagher <sgallagh@redhat.com> - 2.10.0-2
+- Fix integer size issue on 32-bit platforms
+
 * Fri Nov 20 2020 Stephen Gallagher <sgallagh@redhat.com> - 2.10.0-1
 - Release 2.10.0
 - https://github.com/fedora-modularity/libmodulemd/releases/tag/libmodulemd-2.10.0